Amazon.com: TORO TECH SLIM10, 10 Inch Hideaway Powered Under-Seat Car Subwoofer, Active Low Profile 10" Subwoofer, 300 Watt RMS Built in Amplifier, Gain Control and Bass Level Controller Included : Everything Else
Amazon.com: Massive Audio HIPPOXL64 – 6 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 6" Subwoofer 300 Watt RMS, 600w MAX Dual 4 Ohm, 2 Inch Voice Coil. Sold Individually : Electronics
Amazon.com: Massive Audio SUMMO64XL - 6.5 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 6.5" Subwoofer 150 Watt RMS, 300w MAX Dual 4 Ohm, 1.5 Inch Voice Coil. Sold Individually : Electronics
Amazon.com: Pyle 6.5 Inch Mid Bass Woofer Sound Speaker System - Pro Loud Range Audio 300 Watt Peak Power w/ 4 Ohm Impedance and 60-20KHz Frequency Response for Car Component Stereo PLG64,Yellow : Electronics
Amazon.com: Clarion CM3013WL 12-inch Marine Subwoofer 300W RMS Power handling Dual 2 ohm Voice coils Built-in RGB Illumination Includes Black & Silver Grilles Water Resistant: IP55 Front : Electronics
Amazon.com: HERTZ SPL Show Series SS-12-D2 SPL 12 in. (300mm) 1000 Watt RMS 2-Ohm DVC Subwoofer : Electronics
Amazon.com: Massive Audio SUMMO84XL - 8 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 8" Subwoofer 300 Watt RMS, 600w MAX Dual 4 Ohm, 2 Inch Voice Coil. Sold Individually : Electronics
Amazon.com: Polk MM842-SVC MM1 Series 8 Inch 900 Watt Max 300 Watts RMS Full Range 4 Ohm Single Voice Coil Car Audio Marine Subwoofer, Black : Electronics