Carwires AC4000-12 - 4-Channel Twisted-Pair Car Audio Cable (12 ft.) 12 foot Black/Silver Car Audio RCA Cable 4-Channel Connection, Ideal for Multi Channel Car Amps Twisted-Pair Design for Enhanced Noise Rejection Split Center Pin for Superior Connection 100% Pure Crystal-Oxygen Free Copper (PC-OFC) Ultra-Flex Outer Jacket for Maximum Flexibility