Boss Audio Audio CX104DVC - CHAOS EXTREME 1200 Watt 10" Dual 4-ohm Voice Coil Car Subwoofer, Double Stacked Magnets - EACH: * (1) 10" car subwoofer * Power handling, peak: 1200 watts * Power handling, rms: 600 watts * Impedance: dual 4 ohm * Frequency response: 35 Hz  2.2 kHz * SPL 1 watt/1 meter: 94 db * Cone material: poly injection * Voice coil: 2" * Mounting depth: 5-7/8" power * Brushed injection cone * Double stacked magnets * Dual 4-ohm voice coils