1、Metal Construction: Crafted from premium metal materials, this compact headphone amplifier is robust and long lasting, ideal for extended use. 2、Low Noise 4580 Amplifier: The low noise 4580 amplifier ensures outstanding sound performance, while the high power stereo amplifier guarantees optimal sound even at maximum volume. 3、Excellent Performance: Delivering optical sound quality for every headphone, this metal headphone amplifier maintains exceptional performance even at high volumes. 4、8 Channel Headphone Amplifier: Featuring 8 independent channels, each with switchable options and adjustable volume control for personalized listening experience. 5、Individual 8 Way Control: Allows for simultaneous use of 8 monitoring devices, each with individual output volume control, enabling everyone to customize their ideal monitoring sound levels. 6、Portable Design: With its compact stereo headphone amplifier design, small in size and easy to carry, allowing for convenient use anytime, anywhere. Item Type: Headphone Amplifier Material: ABS, Stainless Steel Input: Type: 1/8in TS Plug, Stereo Impedance: 100kQ Maximum Input Level: +15dBu Output: Type: 1/8in TS Plug, Stereo Impedance: 80kQ Maximum Output Level: 40mW in 100Ω 1 x Headphone Amplifier 1 x Adapter 1 x Instruction Manual