AMP-i4 Miniprofessional Portable 4 Channel Headphone Audio Stereo Amplifier Mixer

Features: Model: AMP-i4 4-channel stereo headphone amplifier for all types of headphones 4 independent volume control knobs Best sound quality can be obtained even in a high volume levels Each channel has output level Ultra low-noise 4580 operational amplifiers ensure superior tone High-quality components and exceptionally rugged construction ensure long life Mini portable headphone amplifier system for studio and stage applications Specifications: Input interface: stereo 3.5mm TRS interface, stereo RCA interface Input impedance: 22k ohms Maximum input signal level: + 22dB Output interface: stereo 1/4 "TRS interface, stereo 3.5mm TRS interface Output impedance: min 16 ohms Maximum gain: 19dB / Channel Signal to noise ratio: > 98dB Power supply: AC 12V, external power adapter Size: 113 x 73 x 40mm Power cable length: Approx 1.5m Package Included: 1 x Headphone Amplifier (Audio cable are not included) 1 x US Power Adapter 1 x Plug Adapter(depending on your shipping country)