PowerWorks PW-HA400 4-Channel Mini Headphone Amplifier

The PowerWorks PW-HA400 is an ultra-compact headphone amplifier for recording sessions and anywhere up to four people need to hear the same source. Four independent stereo high-power amplifier sections each have their own level control, so every listener sets their own volume. It supports virtually all types of headphones and has a compact, rugged build. The external power adapter is included.