Gravity GR-KIT4ANLBi 4 Gauge Amplifier Installation ANL Kit with High Performance RCA and Speaker Wire Professional 4 GA Gauge ANL Amplifier Wiring Installation Kit 17FT 4GA Power Cable 3FT 4GA Ground Cable 17FT Double Shielded RCA Cable 17FT/18GA Turn-On Cable & 20FT/16GA Speaker Wire