PPA-12SB Subwoofer : With MP3, Bluetooth, USB,SD, 12" subwoofer with 2"VC and 80OZ 4*4Ferrite magnet Amp Class D powerful and energy-efficient amplifier MAXPower :2000W Frequency response:45Hz-150Hz Sensitivity (1w/1m)96dB Satellite speaker : Two piece satellite speaker tripod 4*4" woofer 1" Neodymium compression driver Satellite speaker Frequency response:150Hz-19KHz MAXPower :2000W Sensitivity (1w/1m)98dB Impedance:8Ohm 110V-240V50HZ/60HZ ___________________ Yesalink is Electronics Wholesaler and Distributor Located in Mississauga, We Carry Home Audio and Video Products, Car Audio Accessories, Networking Tools and Cabling Accessories, CCTV Cameras and Accessories.