Feature 1、Eight Way Independent Control: Eight monitoring devices can be used simultaneously, each with output volume control, and each person can adjust their ideal monitoring volume 2、Low Noise 4580 Operational Amplifie: The low noise 4580 operational amplifier ensures excellent audio performance, while the high power stereo amplifier ensures the highest sound quality at maximum volume. 3、8 Channel Headphone Amplifier: 8 independent channels, each channel can be switched, and the volume of each channel can be adjusted. 4、Excellent Sound Quality: Even at the highest volume, the HA800 stereo headphone smplifier can achieve excellent sound quality. 5、8 Output Channel and 1 Input Channel: HA800S 8 channel headphone amplifier has 8 output channel headphones and 1 input channel. Item Type: HA800S 8 Channel Headphone Amplifier Product Material: Metal Weight: Approx. 637g / 22.5oz Package List 1 x Mixing Console 1 x Manual 1 x Adapter