Kicker 2 10C124 600 Watt 12" Subwoofers + Ported Box Enclosure + Amp + Wiring MAX Power Handling: 300 Watts (600 Watt Per Pair) RMS Power Handling: 150 Watts (300 Watts Per Pair) Impedance: Single 4 Ohm Sensitivity: 88.3 dB Frequency Response: 27 500 Hz