Amazon.com: Pyle 8 Inch 1600 Watt DVC 4 Ohm Car Audio Subwoofer Speaker Set with 40 Oz Magnet and 1.5 Inch 4 Layer Voice Coil, Black (2 Pack) : Electronics
Amazon.com: MB Quart DS1-204 Discus Shallow Mount Subwoofer (Black) – 8 Inch Subwoofer, 400 Watt, Car Audio, 2 Inch Voice Coils, UV Rubber Surround, Best in Sealed Enclosures : Electronics