AIAIAI UNIT-4 Wireless+ Review: Detailed construction overview

Alistair Vance
Written by Alistair Vance

April 13, 2026

AIAIAI UNIT-4 Wireless+

AIAIAI UNIT-4 Wireless+ Review: Detailed construction overview

Detailed characteristics of AIAIAI UNIT-4 Wireless+

  • 2-Way bass reflex housing
  • Equipment: 4″ woofer and 1″ silk dome tweeter
  • 1″ Silk dome tweeter
  • Power: 2x 30 W continuous power, 2x 80 W peak power
  • Loudness-adaptive bass boost
  • 5-Band EQ adjustable via the AIAIAI app
  • Freuqnecy range: 50 – 20.000 Hz
  • Crossover frequency at 3 kHz
  • Bluetooth-Version: 5.2
  • W+ Link audio quality: Uncompressed 44.1kHz
  • 16-Bit
  • W+ Link operating range: 12 m
  • W+ link latency: 16 ms
  • Bluetooth-Codec: SBC, AAC
  • Crossover frequency at 3 kHz
  • Weight: 2.5 kg per speaker
  • Playback time with battery: 20 hours
  • 3.5 mm Mini jack stereo input
  • 6.3 mm TRS input (balanced)
  • Dimensions: 200 x 340 x 340 mm
  • Bluetooth-Version: 5.2
  • Includes 2 power supply units, 2 carrying bags and XO2 W+ Link Transmitter

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AIAIAI UNIT-4 Wireless+ Review: Detailed construction overview

AIAIAI UNIT-4 Wireless+ Review: Detailed construction overview

AIAIAI UNIT-4 Wireless+ Review: Detailed construction overview

AIAIAI UNIT-4 Wireless+ Review: Detailed construction overview

AIAIAI UNIT-4 Wireless+ Review: Detailed construction overview

AIAIAI UNIT-4 Wireless+ Review: Detailed construction overview

AIAIAI UNIT-4 Wireless+ Review: Detailed construction overview

AIAIAI UNIT-4 Wireless+ Review: Detailed construction overview

AIAIAI UNIT-4 Wireless+ Review: Detailed construction overview

Additional Information

Customer Review Summary

AIAIAI UNIT-4 Wireless+ is a promising step forward for the brand, showcasing a well-thought-out design and functionality that aims to meet the needs of creative users.

The minimalist Scandinavian aesthetic is immediately appealing, with a sturdy anodised steel grille and premium matte plastic body that feels great to the touch. However, the surface can easily scratch, which might be a concern for those who plan to transport them frequently.

Setting up the speakers is straightforward, aided by a companion app that facilitates hassle-free pairing and includes useful EQ presets. While the speakers utilise Bluetooth and a proprietary low-latency protocol, they are not necessarily the best option for professional studio use, although they perform adequately for casual listening and mobile use.

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Sound quality is decent, with a wide sweet spot that accommodates various music styles. While not entirely representative of their high price tag, they deliver a balanced and enjoyable listening experience, particularly in the lower frequencies. However, some users have reported a lack of naturalness in the sound, which may detract from the overall enjoyment.

Battery life is impressive, lasting up to 20 hours on a single charge, even at elevated volumes, which is a significant advantage for outdoor or mobile use. The speakers are relatively lightweight, although the power supplies could be more compact.

In summary, while the AIAIAI UNIT-4 Wireless+ has its drawbacks, particularly regarding sound reproduction and build durability, it offers a solid combination of portability, battery life, and decent sound quality for those seeking a versatile audio solution for various environments.



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Alistair Vance

Based in Bristol, Al has spent over a decade mixing local bands before specialising in hybrid studio consulting. He’s obsessed with the price-to-performance ratio, helping musicians achieve a "Radio Ready" sound without the need for a £50,000 Neve console. No fluff, just honest gear reviews to get your tracks sounding professional on a real-world budget.

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