RMS Power 100w x 2 auto turn on yes RMS @ 2 Ohms 125w x 2 Bridged RMS 250w x 1 Min Impedance 2 Ohm Stereo Min Ohm Bridged 4 Ohm Mono THD <0.1% S/N 100 dB Max Voltage 15v Max RCA Voltage 5v Freq. Responce 15Hz - 25KHz Dimensions 18.5 cm x 14 cm x 6 cm Bass Remote n/a     SHX10 Single Voice Coil 4 Ohm Model 10"/25cm - 2x4 Ohm / 1x4 Ohm 2"BASV - 91dB @ 2:8V - 120oz Motor 300 RMS / 800 W MD=126mm ID=232mm OD=262mm W=4:0kg   users manual