Special Features
Input impedance of the SM Pro Audio Amplifier is 100K and the output impedance is 10 ohms. This amplifier includes 4 channels in it. Input connectors of the product include a stereo 3.5mm mini TRS and RCA. In the included headphone jack you can connect the headphone and enjoy the programs without troubling any other people. The maximum gain level of the amplifier is 19dB/Channel.

A 12-18V DC adapter powers this model and the power consumption is very low when compared to other amplifiers. The low power consumption saves you from huge electricity bills. Signal to noise ratio of this system is >98dB and it saves you from unwanted irritation. The compact dimensions of this SM Pro Audio XPH4 Multi-channel Headphone Amplifier includes a width of 88mm, it has a depth of 54mm and a height of 38mm. This amplifier is a light weight one and is very easy to take it from one place to another.