Presonus HP2 Headphone Amplifier, Black

If you need mobility with uncompromising audio quality, we recommend the presonus hp2 stereo personal headphone amplifier for driving your wired in-ear monitors or headphones. Compact and portable, the hp2 offers two line-level xlr inputs and one stereo 1/8 inches headphone out with volume control. Operation can be switched between stereo and mono and a pan knob is supplied. You can power the hp2 with an external dc power supply or a 9-volt battery that lasts up to seven hours and includes an led indicator.
Battery-powered, stereo headphone amplifier
Inputs: 2 female xlr connectors (via included y cable)
Output: stereo, 1/8 inches phone connector
Power: 9-volt battery or dc power supply
Volume control knob, pan control knob