The UNIT-4 Wireless+ is AIAIAI’s portable studio monitor system, designed to deliver professional reference sound wherever creativity takes place. Featuring precise tonal accuracy, clean bass extension down to 40Hz, and ultra-low latency wireless audio, it combines studio-grade performance with mobility. With 20 hours of battery life, customizable EQ via app, and a durable recycled-plastic enclosure, the UNIT-4 Wireless+ is ideal for both studio and mobile setups. Key features Frequency range 40Hz – 40kHz (-10dB) Frequency response 50Hz – 20kHz (±2dB) Peak SPL 105 dB SPL Woofer 4-inch high excursion paper cone Tweeter 1-inch silk dome Amplifier power 2 × 30W continuous, 2 × 80W peak Wireless latency 16 ms (W+ Link) Wireless audio quality Uncompressed 44.1kHz, 16-bit Operating range 12 m Bluetooth version 5.2 Analog inputs 3.5mm mini-jack, 6.3mm TRS balanced Battery playback time 20 hours Charging time 2 hours Battery capacity 77 Wh Mounting thread 3/8-inch BNC (microphone stand mount) Weight per unit 2.54 kg Dimensions per unit (W × H × D) 156 × 258 × 114 mm Included Accessories 2 × UNIT-4 Wireless+ portable monitors Protective steel grilles 2 × power supplies with regional cords 1 × X02 USB-C W+ Link transmitter USB-C to USB-C cable (0.2 m, neon) 2 × protective pouches (compostable fabric) Included Software UNIT-4 mobile app with customizable 5-band EQ Predefined sound profiles for different environments