Roland PM-10 drum monitor for v drums

Roland PM-10 Drum Monitor System, 30-watt amplifier and a 10″ 2-way coaxial speaker, connecting an external CD or  MP3 player to the Line In jack, Balance the V-Drums and the external audio, tone with the built-in 2-band EQ, Bass-reflex type, Width 14-3/8 inches, Depth 15-5/8 inches, Height 13-7/8 inches, Weight 26 lbs. 8 oz.,