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Positive Grid Launches Project BIAS X:
a Premier AI-Powered Platform for Guitar Tone Creation
From concept to mix-ready sound in seconds, this first-of-its-kind software tool transforms how musicians create and shape tone

Chandler, AZ, September 23, 2025 – Positive Grid introduces Project: BIAS X, a ground-breaking AI-powered guitar tone platform (Mac/PC) that transforms the way guitarists and producers can craft, explore, and refine sound. Designed for fast inspiration, expressive realism, and unmatched flexibility, BIAS X blends cutting-edge AI with a next-generation tone engine to deliver a first-of-its-kind workflow.
BIAS X is the first fully generative, guitar tone design software tool powered by Agentic AI, enabling musicians to move from abstract idea to mix-ready tone within moments. From subtle finger dynamics to soaring leads; from punchy modern metal to dreamy ambient swells, BIAS X delivers highly detailed, authentic tones that embody the analog character of tubes, speakers, and circuits. The result is tone that feels as real as it sounds—present, powerful, and deeply expressive.
Whether running standalone for tone exploration or as a DAW plugin for recording, BIAS X helps musicians spend less time tweaking and more time making music.
A Paradigm Shift in Tone Creation
For decades, creating new tones meant navigating through layers of gear, menus, and manual tweaks. Now, musicians can just say what they want. Powered by Agentic AI that understands tone like a musician, BIAS X transforms user input into high-quality sounds fast—making tone creation feel less like trial and error, and more like inspiration.
- Text-to-Tone: Create tones from descriptive prompts such as favorite artists or songs, genre styles, or even abstract feelings.
- Music-to-Tone: Upload audio clips to recreate tones via real-time AI analysis.
- AI Refinement: Request live edits like “more bite,” “less fuzz,” or “add crunch.”
This agentic AI workflow simplifies tone discovery while enabling deep customization. Users can accept the AI's creation* or dive in for manual, real-time tweaking.
Built for Response and Fidelity
An all-new BIAS X tone engine combines Positive Grid’s deep expertise in amp and effects modeling with the latest in machine learning and circuit-level modeling. It goes far beyond traditional tone modeling—reproducing the physical behavior of analog gear and the complex interactions between tubes, circuits, and speakers. The advanced Agentic DSP engine ensures that every note cuts through with clarity and punch, preserving harmonic richness across all playing styles. The result is the unmistakable feel and dynamic response of real hardware, now supercharged and infinitely flexible.
- 200+ Amps Learned: The circuits, transformers, and tonal behavior of over 200 amps were analyzed to understand what makes legends legendary and enable users to create with that same depth and precision.
- Adaptive Circuit Modeling: Feels alive when guitarists play, reacting to their pick, dynamics, and volume like a real tube amp.
- Harmonic Fingerprinting: Keeps the unique harmonic details that define each amp’s character.
- Power Amp Saturation: Recreates the natural compression and distortion of real power tubes, for a rich, 3D tone
Amp, Cabinet and Effects
BIAS X is a complete tone playground with 33 amps, 63 effects, IR Loader, and new cabinets that capture the feel of legendary gear alongside Positive Grid’s modern sound design. Craft tones manually or use AI-assisted tools for fast, inspiring results.
- 33 Advanced AI-powered Amp Models: The advanced sound engine analyzes preamps, power amps and transformers with AI-enhanced precision. It captures circuit-level dynamics like transformer sag and power amp response to deliver models with authentic compression, harmonic richness, and dynamic response that traditional modeling can’t match.
- 63 Versatile Effects: Built with component-level modeling. Each effect utilizes Agentic DSP trained on vintage analog gear to recreate the subtle non-linear behaviors and dynamic sensitivity that give classic pedals their distinctive character.
- All-New Cabinet Simulation: Developed by Positive Grid engineers and in partnership with Spectre Digital, featuring high-fidelity IRs of legendary cabs and mics.
- IR Loader: Load and blend two custom user IRs for flexible, fully tailored cabinet tones.
- Build Anything: Mix and match any amp, cab, and effect to create a custom dream rig.
Designed for Fast Flow
The redesigned drag-and-drop interface is intuitive and clean, eliminating the menu-diving and knob-fiddling that break creative flow. Users can enjoy a streamlined workflow for crafting personalized tones quickly and easily. Or, they can go deeper with powerful features that enable confident experimentation while creating custom signal chains and more complex sounds.
Dual Signal Chains: Split the signal and process it in two parallel paths—each with its own effects. Stack or pan them for wide, layered, or contrasting tones.
- Drag-and-Drop Workflow: Rearrange amps, cabs, and effects visually and instantly—build a chain in seconds.
- Streamlined Preset Manager: Organize and recall tones fast with an overhauled interface built for clarity.
- Flexible Routing Matrix: Experiment with parallel paths, stereo splits, and creative FX placement. Turn on the global Doubler effect to double the signal for added width.
- Smooth Real-Time Control: BIAS X offers an intuitive, easy-to-use signal path interface. Move components horizontally or toggle them vertically to adjust gear placement on the fly.
- Revamped Gear Browser: Browse, compare, and swap gear with a faster, more intuitive experience.
A Platform That Evolves
Built on agentic AI, BIAS X is designed to adapt and evolve along with musicians, offering a living platform full of realism, responsiveness and nearly-endless customization.
Pricing and Availability
BIAS X is available for USD $149.
Upgrade price for registered owners of qualifying Positive Grid Spark and BIAS products: USD $99**.
Explore BIAS X at www.positivegrid.com/pages/bias-x
WATCH: the BIAS X Deep Dive and composer and producer Jesse Zuretti's Testimonial Video.
*Internet connection required for AI features.
**Visit PositiveGrid.com for details and exclusions.
BIAS X is compatible with macOS and Windows, available in VST3, AU, and AAX formats.
Positive Grid and PosterLad Collaborate on Limited Edition “See the Sound” Grille for Spark EDGE
Global award-winning designer PosterLad and Positive Grid blend elements of sight and sound in eye-catching custom grille

Chandler, AZ, July 22, 2025 – Positive Grid has teamed up with globally acclaimed visual artist PosterLad to present “See the Sound,” a custom, limited edition front grille designed exclusively for the Spark EDGE portable multi-channel smart guitar amp and PA.The design blends geometric vibrancy with sonic imagination to create a conversation between vision and sound.
PosterLad is the art project of internationally exhibited Czech designer Vratislav Pecka, whose exploration of bold color, geometry, and visual experimentation has earned global recognition and exhibitions in cities like New York and Paris. Highlighting the vision-sound connection in this custom design, PosterLad shares, “The eye is a symbol I revisit throughout much of my work. The colorful shapes underneath the eye are a visualization of sound waves emanating out from a central point that resembles a speaker cone. I call this piece ‘See The Sound.’”
About Spark EDGE
Spark EDGE is a multi-channel smart guitar amp & PA in one designed for everyone seeking a portable, versatile, audio solution – from singer-songwriters and buskers, to acoustic duos and electric players. It packs 65 Watts of studio-quality sound, built-in amps and effects, into a lightweight, compact unit that can serve as an amp, PA, or personal monitor.
Musicians can enjoy seamless and flexible connectivity for electric and acoustic guitars, bass, vocals, keyboards, and more, plus optional battery power (sold separately) that offers the freedom to perform anytime, anywhere.
In addition, a free companion app delivers convenient features that enhance any live performance, rehearsal and set list. These include a channel mixer; Creative Groove Looper; amp models; guitar and vocal effects; Smart Jam for playing live; and Spark AI to quickly generate custom guitar tones from simple text prompts.
Availability and Pricing
The Limited Edition “See the Sound” Spark EDGE grille is available for USD $49, while supplies last.
Learn more about Spark EDGE at positivegrid.com/products/spark-edge.
Follow PosterLad at: instagram.com/posterlad.
Positive Grid Launches Spark NEO: The Ultimate Wireless Guitar Rig Built Into Premium Headphones
A groundbreaking fusion of smart guitar amp technology, AI-powered features, and studio-grade sound, now built into wireless headphones
Flexible features for practice and playing offer guitarists of all levels unmatched convenience

Chandler, AZ, February 10, 2025 – Positive Grid announces Spark NEO, a groundbreaking wireless guitar rig built directly into premium over-ear headphones. Designed to deliver a seamless, personal guitar experience, Spark NEO combines Positive Grid’s award-winning guitar amp technology with true wireless connectivity and AI-powered guitar tone customization.
Spark NEO offers a seamless solution for guitarists seeking exceptional sound quality, advanced tone-shaping tools, and the freedom to play anywhere. Built with custom-designed 40mm drivers and an ultra-lightweight bio-fiber diaphragm, Spark NEO ensures rich, balanced sound for every style of music. The included wireless transmitter instantly pairs any guitar with the headphones for plug-and-play convenience, while Spark NEO’s built-in 1/4" input can also support traditional guitar cables, for added versatility.
With four onboard, customizable guitar presets, Spark NEO enables private playing anywhere, free from space limitations or noise constraints. For even more variety, connecting to the free Spark app unlocks additional presets, amps & effects, and advanced tone controls. Spark NEO also doubles as premium Bluetooth® headphones, offering exceptional clarity for music, podcasts, and more.
Key Features:
- Optimized for Guitarists: Spark NEO integrates Positive Grid’s renowned tone engine, delivering precise sound tailored to electric, acoustic, and bass guitars.
- True Wireless Freedom: A proprietary 2.4GHz system provides reliable, ultra-low latency connectivity between Spark NEO and the user’s guitar, for a smooth and stable playing experience.
- AI-Powered Guitar Tone Customization: Create and refine tones effortlessly with AI-driven tools that adapt to every playing style.
- Exceptional Sound Quality: Precision-engineered drivers deliver clarity and balance for both guitar playing and music listening.
- Portable Design: Spark NEO’s compact, foldable build and rechargeable battery with up to six hours of play time make it easy to take anywhere.
Built for GuitaristsSpark NEO bridges the gap between traditional guitar setups and modern technology. Unlike using generic headphones with a guitar amp, Spark NEO’s integrated design ensures every element—from app to drivers—delivers unparalleled performance.
Noise Isolating Design
Spark NEO’s ultra-soft, durable ear cups ensure a comfortable fit. With advanced damping materials, tuned venting, and precise port adjustments, Spark NEO provides passive noise isolation, letting every musical detail shine without external interference. Jam with backing tracks or favorite songs without disturbing a soul.
Enhanced Creativity with Spark AppThe Spark App expands Spark NEO’s capabilities with access to 33 amps and 43 effects, plus over 100,000 tones on Positive Grid’s online ToneCloud. Auto Chords helps players learn and jam along with any song by displaying its chords in real time as the song plays, while customizable presets offer endless creative possibilities. Play with backing tracks or along with favorite songs. Whether practicing, playing, or experimenting, Spark NEO delivers unmatched flexibility for guitar players at every level.
Availability and Pricing
Spark NEO is priced at USD $199, including the headphones, wireless transmitter, and full access to the Spark App. It will be available soon on Positive Grid’s website, Amazon, and select retailers.
For more info, visit positivegrid.com/pages/spark-neo.
Watch the new Spark NEO Here.
Be Heard Anywhere with Positive Grid’s New Spark EDGE: A Portable Smart Amp and Multi-channel PA
Compact amp & PA delivers pro-level sound, flexible inputs/outputs, effects, looper, and optional battery power for performances on the move

Chandler, AZ, October 7, 2024 – Positive Grid unveils Spark EDGE, a multi-channel smart amp & PA engineered for musicians demanding portability, versatility, and pro-level sound. Designed for everyone from singer-songwriters and buskers to acoustic duos and electric players, Spark EDGE packs 65 watts of studio-quality sound, built-in effects, and a looper into a lightweight, compact design. Capable of serving as an amp, PA, or personal monitor, Spark EDGE offers flexible connectivity for electric and acoustic guitars, bass, vocals, keyboards, and more. With optional battery power (sold separately), Spark EDGE delivers the freedom to perform anytime, anywhere.
Pro-Level Sound with Advanced Audio
Powered by Sonic IQ Computational Audio, Spark EDGE enhances every note with precision. Its tech-driven system features a dedicated computational audio chip that refines dynamic range, boosts vocal clarity, and deepens bass. The result? Precise, immersive sound in any setting. Complemented by an advanced speaker design—featuring a woofer, tweeter, and reflex ports—Spark EDGE delivers rich, full-bodied sound that brings any performance to life.
Seamless Multi-Instrument Connectivity
Featuring four versatile channels, Spark EDGE offers seamless connectivity for multiple instruments:
- Channel 1: Equipped with 36 amp models and 50 effects for electric guitars, acoustic guitars, bass, and vocals.
- Channel 2: Tailored with dedicated amp models and effects for vocals, bass, and acoustic guitars.
- Channels 3/4: Stereo input channels designed for keyboards, drum machines, and other instruments.
Eight customizable presets are available for each of the first two channels, providing instant access to favorite tones and effects. Multi-channel I/O includes stereo line out, dual XLR / ¼-inch Combo inputs, 2x ¼-inch inputs, MIDI In, Bluetooth, and USB-C, offering all the necessary connections for any performance setup.
All the Gear in One App
The Spark App transforms Spark EDGE into a performance powerhouse:
- 36 Amps: Instant access to guitar, bass, and acoustic amp models
- 50 Effects: A comprehensive selection of built-in effects for any instrument
- Creative Groove Looper: Layer, loop, and experiment with over 100 drum patterns
- Spark AI: Automatically generate the ideal tone with AI-powered suggestions
- Smart Jam: Create dynamic backing tracks that adapt to any playing style
- Auto Chords: Real-time chord display for millions of songs
- 100,000+ Tones: A vast library of downloadable tones, created by musicians worldwide
Ready for the Road
Lightweight yet rugged, Spark EDGE is built to go anywhere. Featuring an ergonomic handle for easy carrying and a durable design that withstands the rigors of travel, Spark EDGE offers two listening angles—upright or tilted. In addition, an optional rechargeable battery (sold separately) offers up to 10 hours of playing time per charge.
Limited Edition Grilles
Limited-edition grilles (sold separately) allow for personalization, with bold designs like Sunburst and On the Edge offering a distinct, eye-catching look before the first note is even played.
Essential Extras
- Bluetooth® Streaming: Stream music directly through the amp and blend tracks with live performances using onboard volume control
- WiFi: Over-the-air firmware updates ensure seamless improvements, with no computer required
- Send stereo outs to the PA and use Spark EDGE as a monitor while maintaining tone control
- Compatible with Spark accessories including Spark Control X, Spark CAB, Spark LINK and more
Availability and Pricing
Spark EDGE will be available at exclusive early bird pricing during the pre-order period. For more information and to sign up for pre-order alerts, visit positivegrid.com/products/spark-edge.
Positive Grid and Steve Vai Join Forces to Unleash Spark MINI Vai
Special edition package created by Steve Vai includes burgundy Spark MINI portable smart guitar amp with exclusive grille design, a custom cable, and presets created by the legendary guitarist
Everyone who purchases during the pre-order period has a chance that theirs is one of 100 hand-signed amps that will be randomly shipped to customers*
10-watt smart guitar amp/Bluetooth speaker delivers battery-powered portability, surprisingly loud, multi-directional sound and accompanying app with endless tone options and interactive features for practicing and playing

Chandler, AZ, August 28, 2024 –– In collaboration with guitar icon and 3-time GRAMMY® Award winner Steve Vai, Positive Grid proudly presents Spark MINI Vai, a portable smart guitar practice amp with an exclusive lightweight cable. Custom-designed by Vai himself, Spark MINI Vai captures his iconic sound and personal design touch. This unique, battery-powered amp delivers multi-dimensional sound and Vai-crafted presets, making it the ultimate rig for playing, practicing, and recording. Plus, during Positive Grid’s pre-order period, customers have a chance to receive a hand-signed model.
Steve Vai is one of the world’s most groundbreaking and influential guitarists, and Spark MINI Vai reflects his unique tone and style. The amp features a custom burgundy Tolex, custom gold piping and a gold lined strap, hand-picked by Vai himself. The mandala on the front grille – made famous on his Hydra guitar – pays tribute to Vai’s distinct energy and focus.Spark MINI Vai also comes equipped with a matching lightweight 10 foot guitar cable featuring 24K gold-plated connectors and a durable burgundy weave nylon jacket.
Four exclusive on-board presets created by Vai deliver the raw power of his tone. They include:
- FRESH - Crystal clear clean tone
- MILD - More bluesy clean tone with some grit
- HOT - Well distorted rock rhythm tone
- FIRE - Full-on lead tone
The companion spark app also provides access to backing tracks and loops direct from Steve Vai’s catalog that users can play along to.
In addition, Steve Vai has personally autographed 100 of these amps, which will be awarded to random recipients who purchase during the pre-order period starting on 9/3/2024. Anyone who purchases during that time will be automatically entered for a chance that their order will be one of these exclusive hand-signed models.*
Commenting on his Spark MINI, Vai shares, “For me, this Spark MINI is an excellent portable practice amp. The 4 tones allow for inspirational playing and I built these presets around my interests. The app allows for instant tweakage of any of the presets. I never travel without this little friend."
Portable and battery-powered, the 10-watt Spark MINI smart guitar practice amplifier delivers surprisingly loud, multi-directional sound and features easy-to-use onboard controls. Spark MINI can also be used as a Bluetooth audio speaker for streaming music or as an audio interface for recording musical ideas.
The free accompanying app unlocks a wide selection of amps and effects plus access to 100,000+ tones and a suite of smart features for practicing and playing. Spark AI offers unlimited tone exploration. Describe any desired tone using the app and Spark AI will suggest tones to audition or download.
Watch Steve Vai tell the story behind Spark MINI Vai HERE
Learn more about Spark MINI Vai: positivegrid.com/products/spark-mini-vai
*visit the Positive Grid website for full details
Positive Grid Introduces Spark 2:
The Next-Level Smart Guitar Practice Amp
Introducing Spark 2 – 50 Watts of power, an all-new DSP engine with double the processing power, built-in looper, Spark AI, and premium speakers designed for unmatched sound clarity and detail.

Chandler, AZ, July 23, 2024 – Positive Grid launches Spark 2, the next evolution of their cutting-edge smart guitar practice amplifiers and Bluetooth® speakers. Engineered for acoustic, electric guitar, and bass, Spark 2 delivers an immersive practice and playing experience. Enjoy detailed sound and an all-new upgraded speaker design powered by Positive Grid’s exclusive Sonic IQ Computational Audio technology. With an onboard creative looper, optional battery power, and intuitive AI features for tone exploration and practice, Spark 2 is the gateway to a musical experience that goes beyond expectations.
Proprietary Audio and Advanced Technology
Spark 2 represents a leap forward in amplifier design. It integrates a new DSP amp modeling engine with double the processing power, and at 50 Watts, it packs 25% more volume than the original. Positive Grid’s proprietary Sonic IQ Computational Audio delivers incredibly detailed and dynamic sound. New HD amp models, enhanced by multi-band dynamic range compression and virtual bass augmentation, redefine the sonic landscape.
Equipped with two premium FRFR speakers and reflex ports, Spark 2 offers wide stereo imaging and broader frequency response, ensuring refined bass and clear, immersive sound.
Built-In Creative Looper
Spark 2’s built-in Groove Looper features hundreds of hyper-realistic drum tracks. From basic loops to multi-layered soundscapes or the ultimate jam session, this intuitive tool inspires endless creativity. Onboard amp controls provide quick, on-the-go looping functionality.
AI-Powered Tone and Smart Jam
Spark AI revolutionizes tone exploration. Describe any desired tone in the Spark app - from practical to outlandish - and Spark AI will suggest tones to audition or download. The more it’s used, the smarter it gets, delivering the perfect sound.
Additional smart features make it easy to practice, learn new songs and improve playing skills. Smart Jam listens to the user’s playing style and generates accompanying bass and drum parts, while Auto Chords analyzes any song streamed and displays the guitar chords in real time, to make learning and practicing new songs easier than ever.
Enhanced Hardware Design and Portability
Spark 2 allows for storing up to eight customizable presets directly on the amp for quick access to favorite sounds. Perfect the tone with large, visible onboard controls for looper, EQ, gain, reverb, and more.
Designed for convenience, an optional rechargeable battery provides up to 12 hours of playtime for on-the-go sessions. The new double-thick strap and durable build ensure easy and secure transport. Spark 2 is also Bluetooth® ready, allowing for music streaming and jamming along with favorite tracks anytime, anywhere.
Multiple Outputs and Advanced Features
Spark 2 offers versatile connectivity with a headphone out for private practice, stereo line outs for external audio sources, and a USB-C port which enables it to function as an audio interface. WiFi-enabled, Spark 2 allows convenient over-the-air firmware updates, keeping the amp up to date with the latest features and improvements.
“I’ve used a ton of practice amps while touring the world for over 38 years and it was always just a technical, bland exercise,” says Guitar virtuoso, singer-songwriter and producer Nuno Bettencourt. “Spark 2 is like taking Madison Square Garden wherever you go – epic and versatile.”
Color Options
Available in Pearl or Black finish with a dark weave grille and premium finish.
Special Event, Upgrade Pricing & Availability
Join the special live premiere event featuring Nuno Bettencourt and surprise guests on August 1, 2024, at 8:00 am PT/11:00 am ET. Visit www.positivegrid.com/pages/livestream for more details and to sign up for a reminder.
Regularly USD $299, Spark 2 will be available at special early bird pricing during the pre-order period. Registered Spark 40 owners can also receive exclusive upgrade pricing.
For more information and to sign up for pre-order alerts, visit positivegrid.com/products/spark-2.
Spark Control X Wireless Foot Controller Offers Maximum Control for Spark Series Smart Amps

Chandler, AZ, January 23, 2024 – The new Spark Control X next generation wireless Bluetooth® foot controller offers hands-free control for the entire Spark family of smart amps, including the newly announced Spark LIVE. Its six switch design with multi-color LEDs allows users to easily swap presets, toggle effects and much more. Spark Control X also features rechargeable battery power, expression pedal inputs, and a rugged, ultra-compact build for on-the-go use.
Spark Control X seamlessly connects to Spark series amps through the Spark app, while Spark LIVE users enjoy the added benefit of direct hardware connectivity.
Plug in electric guitar, electric-acoustic or bass, and use the six foot switches to assign/change presets; assign/toggle effects; and start or stop music, backing tracks and the Spark app’s Smart Jam. Spark Control X also offers the ability to directly connect two TRS type expression pedals – Wah, pitch shifter, volume control and more – and fine-tune their custom presets in the Spark app.
Designed to be future-proof, Spark Control X can control the hardware for the new Spark LIVE smart amp and PA system as well as subsequent Spark amps.
For ease-of-use during performances, multi-color LEDs indicate the status or function of each switch. Spark Control X also comes with three transparent overlays for the top panel that can be used to label functions assigned to the switches, instantly recall functions, and make notes.
Spark Control X is equipped with a rechargeable battery that delivers over 150 hours of playtime on a single charge, for extended practice, jam sessions and performance without compromise. In addition, its rugged aluminum build and one-piece silicone cover ensure it stays underfoot.
Watch Spark Control X HERE
Spark Control X can be pre-ordered for USD $149.
For more information, visit positivegrid.com/products/spark-control-x.
Positive Grid Unveils Spark LIVE Multi-channel, Smart Amp and PA System with Sonic IQ Computational Audio for Live Practice or Performance
Onboard mixer, simultaneous instrument inputs and exclusive Sonic IQ computational audio deliver pro sound for guitarists and other gigging musicians
Optional battery power and new Spark Control X wireless Bluetooth®
foot controller further enhance any performance

Chandler, AZ, January 23, 2024 – Positive Grid introduces Spark LIVE – a portable, multi-channel, all-in-one smart amp and PA system fueled by their groundbreaking Sonic IQ Computational Audio engine. Plug in guitar, bass, vocals, keys—or all at once—for practice sessions, gigs and performances. This 4-channel smart amp and multi-instrument solution is packed with amps,effects and a mixer. Surprisingly compact and loud, with optional battery power and a full-featured accompanying app, Spark LIVE delivers big, adaptive sound for any event.
Introducing Sonic IQ Computational Audio
At the heart of Spark LIVE is Sonic IQ, a groundbreaking fusion of hardware and software technologies such as dynamic range compression, vocal clarity enhancement, virtual bass augmentation and more – driven by a dedicated computational audio chip. It delivers uncompromised tone quality and unsurpassed functionality for an immersive audio experience and clear, deep tonal range in any setting. This advanced computational audio engine also dynamically adapts to different inputs and placements, making it perfect for musicians who need portability without sacrificing audio quality.
Advanced Adaptive Sound
Spark LIVE features an advanced speaker configuration that seamlessly manages channel mix and output for a variety of instruments. The system's dedicated tuning chip fuses FRFR, DSP, and Computational Audio for balanced, full-spectrum sound. This harmonious combination of components, developed through a rigorous optimization approach, results in Spark LIVE's unmatched acoustic performance.
Spark LIVE’s versatile g-sensor auto-detects the amp's placement, automatically tuning its EQ for optimal sound. Place it vertically for a focused, punchy output, or turn it on its side for a wide, expansive stereo effect.
More channels. More presets. More gear.
Spark LIVE delivers 150 Watts of power and comes equipped with 4 channels to accommodate multiple instruments simultaneously. Onboard tone-shaping and mixing controls make it easy to dial in just the right sound for everything from solo gigs up through full band performances.
Channel 1 - Guitar
● Seamlessly plug into Positive Grid’s free Spark companion app to call up 33 different amp models, 43 effects, over 50,000 tones and 8 on-board programmable presets
● Onboard controls deliver glorious live sound flexibility with superior tone and plenty of headroom
● Easily switch between CH 1 and 2 in the Spark app for quick tone adjustments
Channel 2 - Vocals, Bass or Acoustic Guitar
● Enjoy a collection of all-new gear and presets custom-tailored for instantly great-sounding vocals, bass and acoustic guitar, featuring preamps and effects never before seen in the Spark app
● Versatile connection via XLR/1/4” combo input
● Eight customizable on-board user presets
Channel 3/4 - Stereo Direct Ins
● Amplify nearly any instrument plus ancillary gear
● Stereo inputs accept pedalboards, keyboards, computer audio and more
The convenient front panel offers control over Channel 1 EQ, gain, volume and more. Versatile rear panel I/O and an audio interface are complemented by master controls and channel settings that make it easy to mix all channels on board. Mixing is also available within the companion Spark app. For additional audio or performance options, simply connect a Bluetooth®-enabled device to stream backing tracks or playlists, with onboard Bluetooth volume control.
Spark LIVE can be mounted on any 35mm speaker stand or angled with its multi-position tilt stand for enhanced sound dispersion. Take the gig anywhere with the optional rechargeable battery (up to eight hours of play time).
Maximum Control for Spark LIVE
Spark LIVE and the entire Spark family of smart guitar amps can be easily controlled with the new Spark Control X –– Positive Grid’s next generation wireless, customizable, Bluetooth® foot controller. The six switch design allows users to swap presets, toggle effects, control backing tracks and more.It also features rechargeable battery power that runs for up to 150 hours on a single charge, the ability to connect up to two TRS expression pedals, and a rugged aluminum build for stage use.
Availability
Spark LIVE is available to pre-order for a special price of USD $499
The optional Spark LIVE rechargeable battery can be pre-ordered for USD $79
Spark Control X can be pre-ordered for $149
Watch the new Spark LIVE HERE
Learn more about Spark LIVE, Sonic IQ, and Spark app at positivegrid.com/products/spark-live
Learn more about Spark Control X at positivegrid.com/products/spark-control-x.
Positive Grid Introduces Spark LINK Wireless Guitar System
Ultra-low latency design with hinged input and extended range offers a reliable, cable-free guitar/bass playing experience

Chandler, AZ, January 23, 2024 – Positive Grid introduces Spark LINK, a wireless guitar system designed to work perfectly with Spark amps or any other amp, guitar or gear. Its ultra-low latency design and extended range offer a noiseless, cable-free playing experience, whether at home, rehearsal, on stage or anywhere. The ultra-compact, gig-ready Spark LINK fits easily into any guitar bag, for use anytime.
Users can enjoy a stable audio experience up to 70 feet (21 meters). Spark LINK uses reliable 2.4G wireless transmission technology and 24-bit/48kHz audio quality across a vast frequency range of 20Hz to 20kHz, delivering consistent, high quality performance. A new, proprietary chipset drives Spark LINK’s ultra-low latency performance (less than 3ms) to ensure the player’s dynamic touch and feel are in sync.
Spark LINK offers effortless connectivity and four proprietary channels that can be swapped with a single click. The channels allow multiple players to use their Spark LINKS in proximity to each other at the same time.
Designed to fit most guitar bodies and devices, Spark LINK’s 110° hinged plug ensures a secure and versatile connection. Use it with any guitar, bass, acoustic guitar, or any instrument with an output, such as an electric/acoustic ukulele, electric violin and more. Both the transmitter and receiver sport a sleek design that complements the Spark style and will blend in with any instrument or amp.
Use Spark LINK anywhere with its built-in, rechargeable battery that runs for up to 6 hours on a single charge. The battery can be powered up on the go with the included USB charging cable.
Watch Spark LINK HERE.
Spark LINK is available for pre-order for USD $129.
For more information, visit positivegrid.com/products/spark-link.
Positive Grid Debuts Spark CAB –– a versatile, 140-Watt powered speaker cabinet designed to maximize Spark series smart guitar practice amps
Optimized to work seamlessly with Spark series amps or other gear with a line-level out, Spark CAB offers high-quality sound for live performances, recording sessions and home practice

Chandler, AZ, October 5, 2023 – Positive Grid invites guitar and bass players to plug in and get loud with the 140-Watt Spark CAB. This new powered guitar amp speaker cabinet is optimized to work seamlessly with all Spark series practice amps, as well as other amps or gear with a line-level output. Durable, yet lightweight and portable, it offers high-quality sound for live performances, recording sessions, home practice and more.
Spark CAB is a Class D powered FRFR (full range, flat response) cabinet delivering clear, precise and transparent audio to capture the intricate nuances of every guitar tone. With its ample power and headroom, guitarists can also rely on Spark CAB’s authentic feel and high volume output.
Convenient performance-based features include:
- Dedicated 3.5mm stereo input to connect Spark smart guitar amps (Spark 40/MINI/GO), cable included
- Stereo combo XLR/TRS inputs and a balanced XLR output for connecting other gear
- Contour switch to emphasize low and high frequencies for more balanced sound at low volume
- Ground lift switch to reduce unwanted hum or noise
In addition, a 10-inch woofer and 2 high-frequency dome tweeters, plus full audio spectrum (45-20,000 Hz) frequency response allow Spark CAB to offer exceptional performance for all types of guitar.
Spark CAB is also a power hub. It features an onboard DC power output and USB-C output for connecting a Spark series amp or a mobile device such as a tablet or phone, with no other power source needed.
Spark CAB will be available to pre-order soon for a special price of USD $269. For more information, visit: positivegrid.com/products/spark-cab.
Meet Spark GO – the Ultra-portable, Smart Guitar/Bass Amp and Bluetooth® Speaker with Advanced Acoustics
Guitar practice and jamming companion brings jaw-dropping sound and versatile guitar tone to everyone
AI-powered features provide convenient guitar playing and learning; Computational audio delivers detailed tone; Bluetooth® streaming and battery power round out the experience.

Chandler, AZ, March 22, 2023–– Positive Grid reveals Spark GO – a rugged, ultra-portable guitar/bass amp and Bluetooth® speaker with advanced acoustics that delivers detailed, room-filling sound. With its smart app integration, this tiny powerhouse offers immediate access to inspiring guitar gear and tones plus AI-powered practice tools, for frictionless guitar playing and learning experiences.
Stream music or play guitar or bass – the pocket-sized Spark GO delivers 5 Watts of surprisingly big sound. Computational audio, a passive radiator and anti-vibration technology provide the detailed audio, punchy bass and overall sound experience typically found in a much larger guitar amp. Convenient, rechargeable battery power delivers great tone at a moment’s notice, for even more musical enjoyment.
Spark GO comes fully loaded with 33 authentic amp models and 43 effects and pedals that can be combined into an infinite number of tone presets for convenient guitar practice and jamming. Four onboard preset locations allow instant recall of favorite amps and effects.
Though compact in size, Spark GO offers powerful features for practicing and playing guitar through seamless integration with the award-winning Spark app. This free companion app is a fun and easy-to-use portal that encourages learning and provides more motivation to play and try new ideas. Users can find immediate inspiration from massive tone and gear libraries; fine tune their skills with real-time, AI-powered features; and even create performance videos.
- Auto Chords uses AI-powered technology to analyze millions of songs and display the guitar chords in real time for fun, easy learning.
- Fingertip access to over 50,000 guitar tones – all instantly available on Positive Grid’s online ToneCloud community.
- Smart Jam listens to the user’s playing and uses AI tech to learn their tone and style, then generates a drum & bass backing track to play along with.
- Video capture allows users to record themselves playing within the Spark app and then post it instantly to social channels with brilliant sound and video.
- Use Spark GO as an audio interface to record musical ideas to a computer.
Laura B. Whitmore, SVP of Marketing for Positive Grid, enthuses, “Stream your favorite music, learn a new guitar song, warm up for your gig. The portable Spark GO is a powerhouse in every sense of the word and a great all around amp and companion. You’ll be shocked at its solid build and big sound. Use it anywhere to enjoy more guitar moments; it’ll inspire you to play every day!”
Lay Spark GO flat for room-filling, omnidirectional sound, or sit it upright for loud, focused audio. It can also be used with headphones for a quiet, immersive experience or with the Line Out for expanded audio possibilities. Smart EQ settings further optimize the output for instruments or music listening.
Spark GO brings high quality tone everywhere, thanks to its sturdy build and eight hour battery life (at half output). In addition to a classic woven front grille, it also comes with a roadworthy black hardshell grille and a durable duo-tone carry strap.
Spark GO joins the Spark family of smart practice amps that includes the #1 best-selling Spark 40 and the portable, customizable Spark MINI.
Watch the official Spark GO product unveil video.
Starting in late March, Spark GO will be available for pre-order for a special price of USD $109 (MSRP USD $149). Visit https://www.positivegrid.com/products/spark-go to learn more.