With extensive switching functions, extreme efficiency, and unmatched sound quality, the ultra-versatile HA-4 is a universal 4-channel multi-purpose headphone amplifier/line distribution system perfect for the most demanding professional stage and studio applications.

4 totally independent stereo high-power headphone amplifier/line distribution channels input Source Select switches and Phone and Line 1/4" TRS stereo outputs on each channel, 4 independent stereo input sections enable independent selection of any of the 4 stereo signals.

Separate Volume control for each channel adjusts the level to both phone and parallel line outputs.

High-quality, rugged construction for maximum reliability

Shielded internal dual regulated power supply with ~115V(60Hz)/~230V(50Hz) select switch and fused IEC power cord connector