2) NEW BOSS AR10D 10" 4400 Watt Car Audio Subwoofers Subs Woofers Dual 4-Ohm NEW BOSS AR10D 10" 4400 Watt Dual 4-Ohm Voice Coil Car Audio Subwoofers MAX Power: 2200 Watts per sub (4400 Watts per pair) RMS Power: 1100 Watts @ 4 Ohms (2200 Watts per pair) Size: 10 in. Type: Stand Alone