Amazon.com: Poyiccot RCA Female Speaker Wire Adapter, Phono RCA Female to AV 2 Screw Terminal Female Video Audio Spring Press Type Balun Connector Adaptor for CCTV(4-Pack) (RCA Female) : Electronics
KICKER Speaker wire-to-RCA Converter Black 46KISLOC - Best Buy
Speaker line out to RCA adapter line out converter - Taco Tunes - Toyota Audio Solutions
Magic source High to Low Converter Car Audio Speaker Cable to RCA Adapter for Subwoofer 2-Channel with Line Out - Newegg.com
Amazon.com: ukiism 6.6FT RCA to Speaker Wire Adapter, Speaker Bare Wire Cables to RCA Plugs Adapter Repair Speaker Cord for Speakers Amplifier Audio Video AV Receivers- DIY, 2 M/6.6FT : Electronics
RCA Speaker Cable Bare Wire Speaker Wire to RCA Plug,Replace RCA Plug Connector Adapter to Bare Wire Open Audio Video - Walmart.com