Headphone preamplifier with lithium battery USB - ALCTRON HA 106

The Alctron HA 106 is a versatile, practical headphone pre-amplifier powered by a lithium battery. It is suitable for use in the studio or on stage with wired headphones. Its ultra-robust case provides the functions required for this type of product, while the battery can be recharged through the USB port. The unit is also a 19" 4-channel rack-mountable headphone pre-amplifier.

The front panel features 4 stereo jack inputs and outputs for headphones, while the rear panel provides 4 line left/right mono jack inputs. For each of the 4 front inputs, the output signal can be selected with a push button and the headphone volume can be adjusted. The finish is brushed aluminium.