GoolRC HA400 Ultra-compact 4 Channels Audio Stereo Headphone with

Features: Ultra-compact stereo headphone amplifier for studio and stage application. With 4 headphone output channels and 1 input channel. Volume of each output channel can be controlled independently. Provides highest audio quality for each headphone even at maximum volume. Ultra low noise 4580 operational amplifier for outstanding audio performance. Comes with a 12V adapter. Specifications: Material: Metal Color: Silver/ Black(optional) Headphone Jack: 6.35mm (1/4") Item Size: Approx. 10.5 * 5.5 * 3cm / 4.1 * 2.2 * 1.2in Item Weight: 185g / 6.5oz Package Size: 14 * 10 * 8cm / 5.5 * 3.9 * 3.1in Package Weight: 323g / 11.4oz Package List: 1 * Amplifier 1 * Adapter 1 * User Manual (English)

Ultra-compact stereo headphone for studio and stage application. With 4 headphone output channels and 1 input channel. of each output channel can be controlled independently. Provides highest audio quality for each headphone even at maximum . Ultra low noise 4580 operational for outstanding audio performance.