Amazon.com: GreenYi Double-Shielded RCA Video Cable for Vehicle Monitor and Reverse Backup Rear View Camera Connection, Digital Audio Coaxial Extension Cord Wire for Subwoofer Amplifier(26.2FT / 8M) : Electronics
Amazon.com: Monoprice 60-Watt Powered Subwoofer - 8 Inch With Auto-On Function, For Studio And Home Theater Black : Everything Else
Amazon.com: BESTISAN Subwoofer, Powered Subwoofer, Home Theater Deep Bass Subwoofer, Down Firing Sub in Compact Size, Easy Setup with Home Theater System, TV, Receiver, Speakers (RCA Cable Included, Black),SW65C : Electronics
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