Crutchfield 4 Gauge Dual Amp Wiring Kit - Complete Car Audio Amplifier Installation Kit for High Power Systems | Perfect for Car Stereo, Subwoofer & Speaker Upgrades

Deliver the power your amps deserve Crutchfield's 4-gauge dual amplifier wiring kit contains the wire and hardware necessary to supply power to two amplifiers safely, efficiently, and economically. A fused distribution block helps keep your installation neat, and protects each amp from dangerous short circuits. This wiring kit does not include RCA patch cables or speaker wire . You may need to purchase those items separately, in order to complete your installation. Power ratings and amp efficiency Most amplifiers come in two distinct "Classes" of technology with different efficiencies and power wire size requirements. This Crutchfield wiring kit was designed to accommodate the energy demands of two Class AB amplifiers with a combined total output of up to 700 watts RMS - a 50 watts x 4 speaker amplifier plus a 500-watt sub amp, for example. For Class D amps, the kit will work with up to 1,100 watts RMS total output - a 75 watts x 4 amp plus a 750-watt sub amp, for example. Crutchfield wire Crutchfield wire is made of oxygen-free copper, with no impurities that could raise its resistance to a signal's flow or add interference. Crutchfield wire meets all Consumer Technology Association (CTA-2015) standards for size, resistance, and insulation quality.