Amazon.com: DS18 DPIV1/0 Pair of Copper Dual 1/0 Gauge to 1/0 Gauge Amp Input Reducers with Offset Stub - Adapter to Add Two 0 Gauge Terminals to Single Zero Gauge Terminal Input Amplifier : Electronics
2X Car Audio AMP 1/0 Gauge Power Ground Wire Pin AWG Terminal Input Wire Reducer | eBay