Kicker 2 10C124 1000W 12" Subwoofers + Vented Lined Box Enclosure + Amp + Wire MAX Power Handling: 300 Watts (600 Watts Per Pair) RMS Power Handling: 150 Watts (300 Watts Per Pair) Impedance: Single 4-Ohm Sensitivity: 88.3 dB Frequency Response: 27-500 Hz