Features:
1.Name:Headphone Amplifier
2.Model:AMP-i4
3.4-channel stereo headphone amplifier for all types of headphones
4.4 independent volume control knobs
5.Best sound quality can be obtained even in a high volume levels
6.Each channel has output level
7.Ultra low-noise 4580 operational amplifiers ensure superior tone
8.High-quality components and exceptionally rugged construction ensure long life
6.Mini portable headphone amplifier system for studio and stage applications

Specification:
1.Color: Blue
2.Input interface: stereo 3.5mm TRS interface, stereo RCA interface
3.Input impedance: 22k ohms
4.Maximum input signal level: + 22dB
5.Output interface: stereo 1/4 "TRS interface, stereo 3.5mm TRS interface
6.Output impedance: min 16 ohms
7.Maximum gain: 19dB / Channel
8.Signal to noise ratio:> 98dB
9.Power supply: AC 12V, external power adapter
10.Size: 113 * 73 * 40mm
11.Power cable length:Approx 1.5m

Package included:
1 x Headphone Amplifier (Audio cable are not included)
1 x US Power Adapter (A free adapter will be send according to your country)