JL Audio XD-PCS1/0-2B 1/0-AWG 12-Volt Power Connection for Two Amplifier 200-AMP Capacity 1/0 Gauge Power Amplifier Installation Kit (Dual amplifier kit includes the hardware and wire for powering two amplifiers) Designed specifically for car audio systems up to 2500 watts Premium power and ground wire provides optimal power transfer Made from 100% oxygen-free copper for a pure uninterrupted transfer of power Terminals and connections are Nickel-plated for excellent power transfer