4pcs Amp Input Reducer, 4 Gauge to 8 Gauge Car Audio Wire Terminal Blocks, Good Conductivity, High Hardness, for Car Auto

This wire reducer is made from copper with a nickel plating for hardness, and rust resistance. It reduces 4 gauge to 8 gauge wire with no crimping required, thanks to the pre-set screw clamping for a secure connection. Ideal for power or ground cables, it improves sound quality transmission in most cars. The package includes four amp input reducers.