September 2026 the UNIT-4 MKII was launched. This article will explain the difference between MKI and MKII.
The UNIT-4 MKII is compatible with our new battery powered X04 transmitter, bringing a new level of portability to the UNIT-4 MKII, and has a USB-C charging port making it possible to charge your phone and/or other USB-C battery powered devices with your UNIT-4 USB-C charger.
The differences are listed below:
| UNIT-4 MKI | UNIT-4 MKII | |
| Transmitter compatibility | Compatible with - USB-C powered X02 transmitter - Battery powered X04 transmitter | Compatible with - USB-C powered X02 transmitter - Battery powered X04 transmitter |
| Charging | DC power charging | USB-C charging |
| Color availability | Black | Black / White |
| UNIT-4 (single) includes: | 1x UNIT-4 MKI, 1x UNIT-4 Grills, 1x DC charging cable | 1x UNIT-4 MKII, 1x UNIT-4 Grills, 1x USB-C charging plug+cable, 1x Carry Pouch |
| UNIT-4 (pair) includes: | 2x UNIT-4 MKI, 2x UNIT-4 Grills, 1x X02 Transmitter, 2x DC charging cables | 2x UNIT-4 MKII, 2x UNIT-4 Grills, 1x X04 Transmitter, 2x USB-C charging plugs+cables, 1x UNIT-4 Carry Case |
UNIT-4 MKI (pair)
+ DC chargers
UNIT-4 MKII (pair)
+ USB-C chargers
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