Feature: 1. Metal Construction: Crafted with accuracy from metal materials, the all metal casing of this passive volume controller features gold plated interfaces for interference resistant, rustproof, and long lasting durability. 2. Clear Sound Output: Enjoy crystal clear sound with the shielded design of this passive volume controller, eliminating sound distortion and preventing sound dropouts for a superior listening experience. 3. All Metal Build: The upgraded all metal volume controller is equipped with 4 anti skid pads at the bottom to ensure stability and prevent shifting. 4. Extended 70MM Fader: The extended fader provides accurate and easy volume adjustments, giving you full control over your sound levels. Made from metal materials, the fader is robust and stable for long term use. 5. Plug and Play Convenience: Experience exceptional sound quality with no power supply needed. With lossless input and output, enjoy transparent sound and effortless volume control at your fingertips. Specification: Item Type: Passive Volume Controller Material: Metal Input Range: 10Hz-100kHz Input Channel: 1 group stereo input Output Channel: 2 groups stereo output Power Supply: No external power supply required, plug and play . Package List: 1 x Volume Controller 1 x User Manual