The HM series is perfect for studios, practice rooms, quiet stages, and more, offering everything you need, whether it's splitting a single signal for your band or a more complex headphone distribution. Whether you want to expand your home studio headphone monitoring capabilities or add a robust cue mix distribution, the affordable HM series provides the sound quality, reliability, and flexibility you need to enhance your setup. The ultra-compact HM-4 offers a simple and effective way to split a single stereo signal into four headphone pairs. It's perfect for quickly sharing a mix in the studio or gathering around a tablet to watch a movie at home. The two 19" rackmount models, HM-400 and HM-800, provide flexible and robust headphone distribution for studios, practice rooms, and more.