The extremely utilitarian 4-channel headphone distribution amplifier offers many of the same features that most sound engineers look for in high end studio models. Balanced inputs ensure low noise and distortion, while 1/8” stereo and RCA aux inputs let you flexibly connect different source device. The extra large knob of the master volume control makes the operation more convenient, while aux/main independent input volume control and master mute switch to save your ears when you need to make connection changes on the channel you are monitoring. Deersync H4 4-channel headphone amplifier is perfect for any studio or desktop workstation. Its compact design is also great for your mobile devices of laptop or smartphone when you are recording on the go.