1、10 Channel, High Power: 10 channel stereo headphone amplifier splitter with 4 high power stereo amplifiers, each with output level control. 2、Compatible: The stereo headphone amplifier splitter is compatible with 5mm headphones and 6.35mm headphones, you will need a 5mm to 6.35mm adapter. 3、Power Supply: The stereo headphone amplifier splitter is compact and flexible, and can power up to four pairs of headphones and up to ten individual volumes (without power supply). 4、Upgraded Design: Upgraded stereo sound amplifier design with power switch and 5mm headphone output. Suitable for studio and stage applications. 5、Independent Output Volume Control: The stereo sound amplifier can power any headphone with independent output volume control. 1 x Stereo Headphone Amplifier1 x Sound Cable11 x Knob Item Type: Stereo Headphone AmplifierMaterial: PCBPower Supply Voltage: (DC12-24V) (Without Adapter)Input: AUXOutput: 3.5mmStatic Current: 85maGain: 12dbOutput Impedance: 16-600 Ohms