BASS AMPLIFIER Power Output : 20W Speaker : 8" Controls : GAIN,TONE, CONTOUR, DRIVE, POWER Switch 380X220X350 /9.5kg BASS AMPLIFIER(20W)Rated Power Output : 20WSpeaker 8 (custom made)Controls GAIN Knob, TONE Knob, CONTOUR Knob, DRIVE Switch, POWER SwitchConnectors Input (High-Low ¼ phone type), Phone(stereo ¼ phone type)380 x 220 x 350 / 9.5kg BASS AMPLIFIER