AIAIAI UNIT-4 Set in White is a portable, battery-powered studio monitor designed to bring reference-quality sound into creative spaces beyond the traditional studio. Its 2-way active design combines a 4-inch high-excursion paper-cone woofer with a 1-inch silk-dome tweeter, delivering clear and precise sound for music creation and critical listening.

With W+ Link wireless technology, UNIT-4 delivers More than 20 hours of battery playback, a compact 3-liter design weighing 2.5 kg, and an ergonomic rear bass vent that doubles as a carry handle make it practical for mobile production and listening.

UNIT-4 Set 5-band EQ can be customized through the AIAIAI mobile app, while a glue-free, repairable construction with replaceable batteries and drive units is designed for long-term use.

Key Features

• 2-way active monitor with 4" high-excursion woofer and 1" silk-dome tweeter.
• Flat 50Hz–20kHz frequency response with ±2dB tonal accuracy.
• W+ Link delivers uncompressed 44.1kHz, 16-bit wireless audio with 16ms latency.
• 20+ hours of battery playback with compact 3-liter, 2.5 kg construction.
• Bluetooth 5.2 plus 3.5mm mini-jack and 6.3mm balanced TRS connectivity.
• Customizable 5-band EQ through the AIAIAI mobile app.

Ideal For

• Mobile music production and songwriting.
• Home and portable studio monitoring.
• DJs, electronic musicians, and producers.
• Critical listening and creative sessions outside the studio.

What's in the Box

• AIAIAI UNIT-4 portable studio monitor.
• X04 transmitter for W+ Link wireless audio.

Inputs & Outputs

• Analog Inputs: 3.5mm mini-jack and 6.3mm balanced TRS.
• Wireless Audio: W+ Link and Bluetooth 5.2.
• Bluetooth Codecs: SBC and AAC.
• Bluetooth Profiles: A2DP 1.3 and AVRCP 1.6.
• Power: USB-C.
• Mounting: 3/8-inch BNC standard microphone stand mount.

How the UNIT-4 Set Compares

UNIT-4 combines portable studio monitoring, battery-powered operation, Bluetooth playback, and dedicated low-latency W+ Link connectivity in a compact monitor designed for music creation beyond the traditional studio.

Frequently Asked Questions

What is included in the UNIT-4 Set?

The UNIT-4 Set includes two UNIT-4 portable wireless speakers for stereo monitoring, music creation, and flexible listening in different environments.

How long does the UNIT-4 Set operate on battery power?

Each UNIT-4 provides up to 20 hours of battery playback and uses a 77Wh battery. Both speakers can be recharged through USB-C.

What type of speakers are used in the UNIT-4 Set?

Each UNIT-4 uses a 4-inch high-excursion paper cone woofer and a 1-inch silk dome tweeter in a 2-way bass-reflex enclosure.

Can the UNIT-4 Set be mounted on stands?

Yes. Each UNIT-4 features a 3/8-inch BNC mounting thread compatible with standard microphone stand mounting systems.

Is the UNIT-4 Set suitable for portable music production?

Yes. The compact, battery-powered design provides reference-monitor-style performance with up to 20 hours of playback, making the set suitable for creating and monitoring music in different locations.

Are the UNIT-4 speakers designed to be repairable?

Yes. UNIT-4 is designed for easy disassembly, with replaceable batteries and drive units, while its wireless electronics can be upgraded for future technologies.

Full Technical Specifications

Audio Performance

Frequency Range	40Hz to 40kHz (-10dB)
Frequency Response	50Hz to 20kHz (±2dB)
Peak SPL	105 dBSPL
Self-Generated Noise	<20dB
THD	<1% nominal, <10% peak output
Crossover Frequency	3 kHz

Power & Battery

Power Supply	USB-C
Charging Time	2 hours
Playback Time on Battery	20 hours
Battery Capacity	77 Wh

W+ Link Wireless Audio

W+ Link Audio Quality	Uncompressed 44.1kHz 16-bit
W+ Link Operating Range	12 m
W+ Link Latency	16 ms

Bluetooth & Inputs Connectivity

Bluetooth Codec	SBC, AAC
Bluetooth Version	5.2
Bluetooth Profiles	A2DP 1.3, AVRCP 1.6
Analog Inputs	3.5mm mini-jack + 6.3mm TRS balanced
W+ Link Transmitter	X04 included
Wireless Audio	W+ Link and Bluetooth 5.2

Speaker System

Enclosure Type	2-way bass reflex
Color	White
Woofer	4-inch high excursion paper cone woofer
Tweeter	1-inch silk dome tweeter
Grill Material	Steel
Mounting Thread	3/8-inch BNC (standard microphone stand mount)

Amplification & DSP

Amplifier Power	2 x 30W continuous, 2 x 80W peak
Amplifier Type	Class D
DSP	Loudness adaptive bass boost
EQ Adjustment	5-band adjustable EQ via AIAIAI app
Amplifier Power	2 x 30W continuous, 2 x 80W peak

Packaging & Included Items

In the Box	UNIT-4 (2 pcs), UNIT-4 Power Supply USB-C (2 pcs), UNIT-4 Carry Case (1 pcs), X04 W+ Link Transmitter (1 pcs)
Packaging Weight (lbs)	18.08
Packaging Dimensions (L x W x H)	8.07" x 13.09" x 13.03"