Presonus HP4 4-Channel Headphone Amp
- Can sit on a tabletop
- Can be screw-mounted to a standard rack tray
- Includes left and right line inputs
- Includes left and right line outputs
- Includes four headphone outs
- Sum stereo signals to mono
- Adjustable individual headphone levels
- Mute the rear-panel Monitor outputs while leaving the headphone outputs active