Danish audio company AIAIAI has announced UNIT-4, the world’s first professional wireless studio monitors.

Featuring ultra-low latency wireless audio paired with 20+ hours of battery playback time, UNIT-4 takes studio production into uncharted territory.

UNIT-4 is designed to be lightweight and portable with a compact size of only 2.5kg. On a sound level, the wireless technology allows for wireless, uncompressed audio with just 16ms of latency.


The wireless audio has three different connection modes with Wireless+ ultra-low latency, Bluetooth and cabled options. The UNIT-4 is also compiled with glue, allowing for disassembly and component replacement whilst being made from 100% recycled plastic.

On a cursory glance, it’s straight from the AIAIAI playbook – reusability, recycled plastic, and sustainable production processes plus a continuation of their W+ Link technology, which began with the introduction of the TMA-2 Wireless+ headphones in December of 2021.

The key features of the UNIT-4

Wireless performance

  • Battery powered with 20H+ of playback time
  • W+ Link ultra low latency wireless audio for music creation – only 16ms of latency, uncompressed audio and robust connection
  • Complete wireless system free of both audio and power cables

Monitor performance

  • 2 way active monitor featuring a 4 inch high-excursion woofer and 1 inch silk-dome tweeter
  • Precision tonal accuracy over a flat +/-2dB frequency response from 50Hz to 20kHz
  • Bass vent and boosting EQ tuned to provide a clean bass extension down to 40Hz
  • Abiliy to shape UNIT-4’s sound to your environment or preference using the AIAIAI app customisable 5-band EQ


  • Size and weight of only 3 litres / 2.5kg
  • Rear bass vent designed for carrying
  • Removable steel grille to protect the woofer and tweeter


  • W+ Link – use the X02 transmitter for low latency wireless music creation
  • Bluetooth 5.2 – listen to music from your Bluetooth enabled devices
  • Cable – connect directly via 3.5mm mini-jack and 6.3mm balanced TRS inputs


  • Main components produced from 100% recycled plastics, from post-consumer sources
  • Designed for disassembly in a glue-free design – take the whole speaker apart using two screwdrivers
  • Replace worn-out components, including battery and drive units
  • Future-proofed for new technologies with upgradeable wireless electronics

UNIT-4 ships from October priced £700 for a pair.

Find out more on AIAIAI.

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26th September, 2023

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