Get more out of your car audio with a subwoofer that takes your car audio to the next level from a name you can trust the Boss 12 Inch 2300 Watt Car Audio Subwoofer. This powerful subwoofer boasts up to 2300 watts of max power, and 1150 watts RMS power with dual 4 ohm voice coils and a poly injection cone. This 12 inch sub offers competition style binding posts, an impedance of 4 ohm and efficiency of 84 dB. With a mounting depth of 6.75 inches, this subwoofer could be the perfect solution to getting the quality out of your car audio you've come to expect. One 12" Sub Woofer with Dual 4 ohm 2" Copper Voice Coil 2300 Watts Max 1150 Watts RMS Power Handling 84dB Sensitivity, 31 Hz Resonant Frequency Poly Injection Cone and Rubber Surround Competition Style Binding Posts