Mackie HM-4 4-Way Headphone Amplifier

The ultra-compact HM-4 offers a simple yet effective way to split a single stereo signal out into four pairs of headphones. Perfect for quickly splitting a phones mix in the studio or even crowding around a tablet to watch a movie at home.

The two 19″ rackmount models, the HM-400 and HM-800, deliver flexible, robust headphone distribution for studios, practice spaces and more.