KEF - Kube Subwoofer 8/10/12b (KW1 Wireless Adapter.

Compatible with KEF KUBE 8b, 10b, 12b, 8 MIE, 10 MIE, 12 MIE, 15 MIE, KC62, KC92 and KF92 subwoofers. The discreet transmitter is powered by USB, while the receiver is powered directly by the subs expansion port. Highquality wireless transmission delivers every ounce of detail and impact from your favourite films and music. Allows KEF subs to be optimally placed, and not limited by cables. KW1 operates in the highbandwidth 5GHz band and delivers audio up to 24bit/48kHz.