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The Mackie HM-4 is a compact 4-channel headphone amplifier that splits one stereo signal to four pairs of headphones, each with its own volume knob. It uses 1/4-inch TRS jacks for the main input and all four outputs, and it runs from an included power adapter. It suits small studios, rehearsal rooms and podcast setups where several people need to hear the same mix at different levels. Against rival splitters it is simple and sturdy rather than feature-rich: no per-channel mute, no XLR inputs, no talkback, and no mounting hardware.
In stock
Owner feedback on the HM-4 is limited, but what exists describes a straightforward box that does its job: splitting one mix to several headphones with independent levels. Buyers tend to treat it as a utility piece rather than a premium monitor controller.
The Mackie HM-4 is a compact 4-channel headphone amplifier and distributor. It sends one stereo signal to up to four pairs of headphones. Each output has its own volume control, so every listener sets their own level.
It has a main stereo input and four stereo headphone outputs, all 1/4" TRS. The chassis is compact and rugged. It is powered by the included power adapter.
It is designed for studio, recording, rehearsal, monitoring and live production use. It can also be used for podcasting, classes and distributing a headphone signal in audio systems.
