Portable studio monitor with 20 hours of battery life and reference monitor performance. Precise and neutral sound representation tuned for music creation and critical listening. Enjoy a cable-free set-up where you can quickly reposition to always find yourself in the sweet spot, enabled by ultra-low latency and uncompressed wireless audio. Play music from any device via Bluetooth or cable directly to a mixer, audio interface or other audio source. Built responsibly with 100% recycled plastics, and future-proof designed for easy disassembly and component replacement.

Bring your studio sound with you:

Studio monitor designed for portability with 20 hours of battery life, robust design and lightweight build 

Size and weight of only 3 litres / 2.5kg

Rear bass vent designed to be a comfortable carrying handle when on the move

Removable steel grille provides sturdy protection for the woofer and tweeter

Experience reference monitor performance wherever you are:

Precise and neutral sound representation with bass extension down to 40Hz, tuned for music creation and critical listening.

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

Seamless, cable-free set-up:

Quickly reposition to always find yourself in the sweet spot, enabled by ultra-low latency and uncompressed wireless audio. Through W+ Link UNIT-4 delivers uncompressed 44.1kHz, 16-bit wireless audio with only 16ms of latency

Battery powered monitors with 20H+ of playback time

Connect to everything

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

Reduce your environmental impact:

Built with 100% recycled plastics, and designed for easy disassembly and component replacement

Designed for disassembly in a glue-free design - take the whole speaker apart using two screwdrivers and replace worn out components including battery and drive units

Future-proofed for new technologies with upgradeable wireless electronics

Shape UNIT-4s sound to your environment from your phone:

Choose from predefined sound profiles or micro-adjust the customisable 5-band EQ with the UNIT-4 mobile app.

Specs:

Frequency range - 40Hz to 40kHz (-10dB)

Frequency response - 50Hz to 20kHz (±2dB)

W+ Link audio quality - Uncompressed 44.1kHz 16-bit

W+ Link operating range (m) - 12

W+ Link latency (ms) - 16

Bluetooth codec - SBC, AAC

Bluetooth version -  5.2

Bluetooth profiles - A2DP 1.3, AVRCP 1.6

Charging time (hours) - 2

Peak SPL (dBSPL) - 105

Self generated noise <20dB

THD  <1% nominal, <10% peak output

Power supply -  ACDC Converter, 120/240V to 20VDC 120W

Playback time on battery (hours) - 20

Battery capacity (Wh) - 77

Enclosure type - 2-way bass reflex

Woofer - 4-inch high excursion paper cone woofer

Tweeter - 1-inch silk dome tweeter

Amplifier power -2 x 30W continuous, 2 x 80W peak

Amplifier type =Class D

DSP -Loudness adaptive bass boost

Crossover frequency (kHz) -3

EQ adjustment - 5-band adjustable EQ via AIAIAI app

Analog inputs -3.5mm mini-jack + 6.3mm TRS balanced

Grill material - Steel