Monster XP Speaker Cable Gauge?

14-Gauge Automotive Primary Wire Bundle (100ft Each, Red & Black) | Ideal for Car Audio, Automotive, and Trailer | Durable Primary/Remote, Power/Ground Electrical Wiring

Speaker Wire 16 Gauge, GearIT Pro Series 16/2 AWG Speaker Cable (100 Feet / 30.48 Meters) Great Use for Home Theater Speakers and Car Speakers Black

Can You Convert An RCA Cable To Speaker Wire?

How to Convert Speaker Wire to RCA Plugs | DoItYourself.com

How do I connect speaker wire to my RCA plug?

HiFi Speaker Y Spade Connectors, Dual Screw Locking Speaker Cable Plug, Fork Spade Connectors with Allen Wrench for Speaker Wire DIY 4PCS (Gold Plated with Heat Shrink Tube)