WIDE APPLICATION: Ultra compact 8 channel stereo headphone amplifier for studio and stage applications. INPUT AND OUTPUT, ONE BUTTON SWITCHING: The headphone amplifier has 8 headphone output channels and 1 input channel. Supports mono and stereo switching at the touch of a button. PROFESSIONAL DESIGN: The 8 channel stereo headphone amplifier is designed to work with all types of headphones, thus providing maximum flexibility. SUPERIOR SOUND QUALITY: 8 high powered stereo amplifiers guarantee the highest sound quality even at maximum sound levels. INDIVIDUALLY CONTROLLED, LOW NOISE AMPLIFIERS: Each output channel can be independently controlled in terms of volume. Ultra low noise 4580 operational amplifiers for superior performance.