Feature: 1. 10-channel amplifier: With 10 stereo high-power amplifier sections. Each output has individual volume knobs can individually control different headphones or speakers. Portable durable metal case, black appearance, metal texture.2. Equipped with 12V power adapter: It has protection functions such as overheating protection/overvoltage protection, so there is no need to worry about potential safety hazards when using the headphone amplifier. you with a sound experience.3. sound : The driver chip adopts high- NJM4556A, which has voice performance, and can the best sound even when used at the same time.4. Compatibility: 10-channel stereo headphone amplifier, each channel has output level control, compatible with 3.5mm and 6.35mm headphones (requires 3.5mm to 6.35mm adapter).5. Applicable scenarios: Widely used in studios, , recording studios, conference recordings, etc. During recording, up to 10 people can listen to the main mix in the recording studio.Specification:Input Type: IN (VOICE IN)Output Type: OUT (VOICE OUT)Built-in Battery: NoType: Home AmplifierModel Number: Headphone amplifierModel: HAM-1000Driver chip: NJM4556AQuiescent current: 85mAGain: 12dBOutput impedance: 16-600 ohmsInput Impedance: 10KInput and output : 3.5mmWorking power: DC12-24VSize: 23 x 5 x 3cm/9.06 x 1.97 x 1.18inPlug Type:EU Plug,it applies to Indonesia, , , , and so onVoltage: DC12VMaterial: Metalcolour: blackPackage Contents:1 x Headphone Amplifier1 x Audio Cable(Note: Random color, ' accept the specified color.)1 AdapterOnly the above package content, other are not included.Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.