Features:

150-watt integrated power amplifier
Single 12-inch high performance subwoofer speaker
High quality MDF cabinet
Footswitch signal bypass
Frequency response of 35 to 150Hz
Variable frequency selectable crossover, tunable from 60 to 150 Hz
Volume control
Phase reverse switch
Pair of XLR / 1/4-inch TRS combi-jack balanced inputs
RCA unbalanced inputs
Internal pre-amp sums stereo input sources in phase to the integrated mono amplifier
Two transparent XLR balanced stereo outputs (or thru-puts)