Pyle 6.5'' Slim Waterproof Subwoofer-150 Watts at Dual 4-Ohms Car Audio(Black) | eBay
Amazon.com: 6.5 Inch Slim Waterproof Subwoofer - 150 Watts at Dual 4-Ohms Car Audio Powered Subwoofer with Multi-Color RGB Lights and Remote Control - PP Cone with Rubber Edge, PLRGSW64WT (White) : Electronics
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JBL E150P Each 10-Inch Powered Subwoofer With 150-Watt Digital Amplifier, Northridge E Series, Each (