Each UNIT-4 plays for about 20 hours, charges in 2 hours, and weighs 2540 g.
Key facts
| Frequency range | 40 Hz to 40 kHz (−10 dB) |
| Frequency response | 50 Hz to 20 kHz (±2 dB) |
| Peak SPL | 105 dB |
| Woofer | 4-inch paper cone |
| Tweeter | 1-inch silk dome |
| Amplifier | 2 x 30 W continuous, 2 x 80 W peak |
| W+ Link | Uncompressed 44.1 kHz, 16-bit. Latency 16 ms. Range 12 m |
| Bluetooth® | 5.2. Codecs SBC and AAC |
| Inputs | 3.5 mm mini-jack and 6.3 mm balanced jack |
| Playback | 20 hours |
| Charging | 2 hours |
| Battery | 77 Wh |
| Mount | 3/8-inch, for a microphone stand |
| Weight | 2540 g |
| Size | 156 x 258 x 114 mm (W x H x D) |
UNIT-4 charges by USB-C and includes X04. UNIT-4 (Model: MKI) charges by DC and includes X02. Please see more details for the two models in What is the difference between UNIT-4 models?
Works with
X04 and X02 over W+ Link. Bluetooth devices. A mixer or an interface, through the 3.5 mm mini-jack or the 6.3 mm balanced jack.
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