4 Ch x 60 Watts Class-D audio power amplifier. Half rack size. Rack-mount kit not included. 4/8W speaker output + 70V/100V Constant Voltage output* 4 x 60W output in Normal mode 2 x 120W output in Bridged Mode Compact form-factor, half-rack size, fan-less unit Efficient power consumption with auto-standby mode Ease of installation with software-free, plug-and-play configuration Control and protection options with LED indicators Works with ClearOne and 3rd party DSP mixers Supports conferencing, sound reinforcement and audio distribution applications