Kenwood P-W1200 12-Inch 350 Watt Max Power Bass Party Pack with KAC-5204 and KFC-W112S 2 Pieces 60 Watts RMS X 2 At 4 Ohms 2-channel Amplifier Built-in Low-pass Filter (80 Hz Fixed, 12 DB/octave) 50-200 Watts RMS (800 Watts Peak Power) 12" 8-ohm Subwoofers Frequency Response: 28-800 Hz