Amazon.com: Rockville W12K9D4 12" 4000w Peak Car Audio Subwoofer Dual 4-Ohm Sub 1000w RMS CEA Rated : Electronics
Amazon.com: UGREEN RCA Cable, 6FT 2RCA Male to 2RCA Male Stereo Audio Cable Gold Plated Car Audio Subwoofer Adapter Dual Shielded Red and White Cord for Home Theater Amplifier Hi-Fi System Car
Amazon.com: VCELINK RCA Splitter 1 Female to 2 Male (8 Inch), Stereo Audio Y Cable, Gold Plated Dual RCA Male Adapter for Car Audio, Subwoofer, TV, CD Player, Home Theater and so
Amazon.com: 12' Car Audio Speaker Subwoofer - 1600 Watt High Power Bass Surround Sound Stereo Subwoofer Speaker System - Non Press Paper Cone, 90 dB, 40 Ohm, 60 oz Magnet, 2 Inch