Crunch 12 Inch 4 Ohm Car Subwoofer Speaker (2 Pack) with A/B Class Car Amplifier | eBay
Amazon.com: Crunch 12 Inch 800 Watt MAX 4 Ohm Dual Voice Coil Car Subwoofer Speaker (2 Pack) with 4 Channel 1000 Watt Amp A/B Class Car Stereo Power Amplifier : 電子