The ART HeadAmp 6 Pro 6 Channel Headphone Amplifier has everything you need in a headphone amp.The HeadAmp 6 delivers six independent high-power headphone outputs, each with bass and treble controls with dual function pan/mix control per channel. Along with Stereo aux input for each channel and multiple monitoring settings per channel. Precision eight-segment LED bar graph per channel. Front panel main insert jack. Front- and rear-mounted headphone jacks. XLR and ¼ inch main inputs and outputs. Parallel main outputs for multiple unit use.Each channel also offers an extensive feature set and routing capabilities that make the HeadAmp6Pro the ultimate headphone monitoring and distribution system.