Fangrui Product Details Quality Material: These Amp Reducers Are Mainly Crafted From 6061 Aluminum For Added Durability; These Materials Confer Acid Resistance, Rust Resistance, Nice Hardness, And Good Electrical Conductivity; As A Result, The Product Is Sturdy, Wear , And Can Nicely Function In Conditions Design And Compatibility: This Pair Of Car Audio Amp Input Wire Reducers Are Designed To Accept Dual 1/0 Gauge Wire And A Single 1/0 Gauge Input; They Are Compatible With Oversized 1/0 Car Audio Wire As Well As 1/0 And 2/0 Solder Cables; Such Broad Compatibility Ensures These Amp Reducers Fit Your Car Audio Nicely Without Difficulty Enhanced Audio Quality: The Main Function Of These Amp Input Reducers Is To Provide A Stable And Sufficient Power Supply To Your Car Audio And Amplifiers, Ensuring Their Normal Operation; A More Stable Power Supply Can Provide You With Better Performance And Give You A Good Listening Experience Distribution: Our Amp Wire Terminals Divide The Direct Current Power Supply Of The Car Battery Into 2 C