The Mackie HM4 is a 4-way headphone amplifier designed to provide simple and effective headphone amplification for artists, musicians, and engineers monitoring through headphones in home, project, commercial, and mobile-recording studios. Its single 1/4″ TRS stereo input and four 1/4″ TRS stereo outputs allow you to distribute a stereo source to up to four pairs of headphones.

EXCELLENT SOUND QUALITY

Premium analog circuitry and design delivers an ultra-low noise floor and high headroom.

ULTRA-FLEXIBLE

From a simple yet effective way to split a single stereo signal out to four pairs of headphones to robust headphone distribution, the HM Series offers a wide range of options to suit your needs.

BUILT-LIKE-A-TANK™

With a heavy-gauge steel chassis, long wear potentiometers and switches, the HM Series is built to last.

• Desktop-friendly 4-channel headphone amplifier
• Splits a single stereo signal into four headphone outputs
• Expands your audio interface’s headphone output and adds solid cue mix distribution to your rig
• Each output features its own level control
• Premium analog circuitry ensures super-high headroom and a low noise floor
• Heavy-gauge steel chassis and long-wear potentiometers provide extreme durability
• Power supply is included