Feature:1. SOUND AMPLIFIER: 10 channel stereo headphone amplifier, output level control per channel, compatible with 3.5MM and 6.35MM headphone (3.5MM to 6.35MM adapter required).2. SWITCH AND OUTPUT: Designed with power switch and 3.5MM headphone output, which can power to 10 pairs of headphones and up to 10 independent volumes, ideal for meetings.3. 10 CHANNEL STEREO: Contains 10 independent stereo high power amplifier sections for maximum sound quality even at maximum volume, which has excellent audio performance.4. APPLICABLE SCENES: Adopt DC12V 1.5A power supply, convenient and stable in connection, widely used in studios, stages, recording studios and conference recording situation, etc.5. ALUMINUM ALLOY: Using aluminum alloy material, which has light weight, good heat dissipation and less interference, corrosion resistance and wear resistance, has a long service life.Specification:Item Type: 10 Channel Headphone AmplifierMaterial: Aluminum AlloyDriver Chip: NJM4556AQuiescent Current: 85mAGain: 12dbOutput Impedance: 16-600 ohmsInput Impedance: 10KInput and Output Jack: 3.5mmWorking Power Supply: DC12V 1.5A power supply.Package List:1 x Headphone Amplifier1 x Audio CableNote:The power adapter needs to be purchased separately.