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 resistant, and can nicely function in various 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 Nice Power Distribution: our amp wire terminals divide the direct current power supply of the car battery into 2 channels: one channel supplying the car audio, and the other channel supplying the power amplifier; This distinct design ensures that both the car audio and power amplifier can receive a stable power supply and provide enough power to support their usual operation Wide Application and Effective Enhancements: with their design and function, these amp input wire terminals are ideal for power cords or ground wires; As line reducers, they can be applied to most cars effectively, improving the transmission quality of sound Colour:Silver Material:aluminum Package Contents: 1set x amp input reducer Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.