Tech Talk: Why are car audio manufacturers still using RCA interconnects for their hardware? - DD Audio
Full Tilt Audio High Quality 20 Foot 2-Channel Car Audio RCA Interconnect Cable
RCA CD/Auto Cassette Adapter - Connects Portable Players to Car Cassette Deck - Compatible with 30.5mm Headphone Output in the Mobile Audio department at Lowes.com
Car Video RCA Extension Cable for Front/Rear View Backup Camera & Detection Wire Q8L2 - Walmart.com
Sky High Car Audio Twisted 6-Channel Twisted RCA 12ft-20ft