Roland PM-30 Powered Speaker Cabinet, Black 2.1-channel system optimized for V-Drums with 200W (100W + 50W x 2) power, Class-D amplification Carefully tuned for V-Drums via embedded DSP technology Subwoofer and Full Range modes for application-specific monitoring performance Stereo 3-channel mixer, with versatile input/output options and 3-band EQ Satellite speakers can be mounted on PM-30 or V-Drum rack system