Spark LINK XLR is Positive Grid’s compact, plug-and-play wireless XLR system. It allows vocalists, instrumentalists, speakers, and live performers to connect microphones wirelessly with ultra-low latency and excellent sound quality—all in a lightweight and portable design.




Pure performance.
Zero cables.
Leave your cables behind with Spark LINK XLR – a wireless XLR audio system designed for dynamic microphones and more. Compact and portable, it’s ready to go right out of the box with instant pairing, ultra-low latency, and a rechargeable battery that powers hours of performance. Perfect for gigging musicians, vocalists, content creators, or even public speakers, Spark LINK XLR is the easiest way to go wireless and sound amazing doing it.


Your entire setup, now wireless.
Spark LINK XLR pairs beautifully when connecting a microphone to Spark LIVE and Spark EDGE—but it’s also built to make any setup wireless. Just connect any dynamic XLR microphone to the Spark LINK XLR transmitter and plug its receiver directly to the mic level input of a PA system, mixer, or audio interface. No complicated setup, no special gear needed. It’s wireless that just works.
Spark LINK XLR is compatible with:
- Dynamic microphones that do not require phantom power
- XLR devices with a mic level out

Hear every detail.
Spark LINK XLR delivers full-range, uncompressed sound with 24-bit/48kHz resolution and 103.7dB of dynamic range. Whether you’re singing or speaking your tone stays crystal clear from the source to the system.

Stay in sync.
Timing matters. That’s why Spark LINK XLR is built with ultra-low latency—as low as 3 milliseconds—so your voice stays perfectly in sync with your performance. No lag, no distractions.

Move freely.
With a transmission range of up to 21 meters (approx 70 feet), Spark LINK XLR gives you the freedom to roam. From crowded stages to street performances, it keeps you connected without dropouts.

Just plug in and go.
Spark LINK XLR auto-pairs in seconds—no channels to scan, no menus to scroll. LED indicators show you’re connected and ready to perform. You can even connect up to four Spark LINK XLR systems simultaneously without interference.
Spark LINK XLR
Bold sound. Simple setup. No strings attached.






SPECS
CORE SPECIFICATIONS
FREQUENCY RESPONSE
20Hz ~ 20kHz
SAMPLE RATE / BIT DEPTH
48kHz / 24-bit
LATENCY
< 3ms
DYNAMIC RANGE
103.7 dB
CONTROLS AND CONNECTIVITY
TOP PANEL CONTROLS & DISPLAYS
Power button
LED indicator
REAR PANEL CONTROLS
USB Type-C charging port
WIRELESS CONNECTIVITY
Positive Grid proprietary wireless audio (2.4GHz)
TRANSMISSION RANGE
Up to 70 feet line-of-sight (21 meters)
COMPATIBLE CHANNELS
4 channels
PHYSICAL UNIT
DIMENSIONS
Spark LINK LXR TX :
L x H x W: 98.99mm x 27.6mm x 25.4mm (3.9in x 1.1in x 1in)
Spark LINK LXR RX :
L x H x W: 93.96mm x 27.6mm x 25.4mm (3.7in x 1.1in x 1in)
WEIGHT
Spark LINK XLR TX: 55.9 g (0.12lbs)
Spark LINK XLR RX: 50.7 g (0.11lbs)
INCLUDED IN THE BOX
BOX CONTENTS
Spark LINK LXR TX (Transmitter)
Spark LINK LXR RX (Receiver)
USB C to C Cable (1.5 meters)
Quick Start Guide
Safety Instructions
POWER
MAIN INPUT POWER
DC 5V/1A (USB)
BATTERY TYPE
500mAh rechargeable lithium-ion battery
PLAY TIME
Up to 7 hours of continuous use
CHARGING TIME
2 hours