The XPH4 from SM Pro Audio, part of the Nano series of products, is a high-quality compact headphone amplifier designed to accommodate up to four users. The rear panel has your choice of a stereo mini jack input or a pair of stereo RCA inputs for connecting a wide variety of audio equipment.
The front panel has four 1/4" stereo headphone outputs, each with it's own level control so users can make adjustments according to their needs. A stereo/mono switch is available on the rear of the unit for easy selection.
Note:
This headphone amplifier requires a 12-18VDC power adapter, available separately.
Compact, hardened-steel chassis
Both RCA and 3.5mm inputs are provided for connecting virtually any audio device
Four 1/4" headphone outputs, each with its own level control
Front-panel power LED
Rear-panel stereo/mono selector switch