Feature: 1. 10 CHANNEL: Stereo headphone amplifier with 10 independent stereo sections, 1 input to 10 channel outputs. 2. VOLUME CONTROL: Each output has a separate volume button for individual control of different headphones or speakers. 3. DC 12V: Stereo sound amplifier is equipped with a 12V 1A power adapter to provide you with a great sound experience and a metallic feel. 4. METAL HOUSING: Stereo headphone amplifier splitter housing is made of metal for portability, durability and long life. 5. GUARD: Stereo sound amplifier splitter has guard features such as overheating and overvoltage guard, so you don t have to worry about potential safety hazards when using the headphone amplifier. Specification: Item Type: Stereo Headphone Amplifier Material: Metal Model: HAM 1000 Sound Interface: 3.5mm Output: 10‑160 Ohm Gain: 14dB. Package List: 1 x Sound Splitter1 x Sound Cable1 x Supply Adapter Note: Please note that the keys will be shipped randomly.