The time has come. You need more headphone ports. And you want them to sound good too right? The mackie hm 4 is the answer. With a single stereo input and four stereo outputs this handy little box lets you send your signal to four places with no signal degradation. Expand your capabilities. Whether youre looking to split a headphone mix in the studio or on the stage or watch a movie and listen to music with friends and family. The hm 4s ultra compact design lets you do it with ease. 1 4 stereo inputs and outputs make getting connected quick and simple. Handle your levels with precision. Each output boasts a dedicated control knob for adjusting the volume. You can set different levels for each one making it perfect for personal mixes. And with mackies built like a tank construction itll be by your side for years to come.