HM Series Headphone Amplifiers
Expand
Your Versatility
Perfect for studios, practice spaces, quiet stages, and more, the HM Series offers everything you need whether it is just splitting a single signal to your band, or more complex headphone distribution.
Flexible
Headphone amplification
Whether you need to expand your home studio headphone monitoring capability or add robust cue mix distribution, the affordable HM Series offers the sound quality, reliability, and flexibility you need to expand your setup.
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.
Features
Great-sounding, reliable headphone amplification
Excellent Sound Quality
Premium analog circuitry and design delivers an ultra-low noise floor and high headroom.
Choice
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.
rugged
Built-Like-A-Tank™
With a heavy-gauge steel chassis, long wear potentiometers and switches, the HM Series is built to last.
The Mackie HM-4 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.
Each output is controlled via a dedicated level knob, allowing varied listening volumes for each person. The compact heavy-gauge steel chassis offers rugged durability and a convenient power status indicator on its front panel. Use the included 12 VDC power supply to power the HM-4.
Mackie HM-4 Specs
Number of Channels | 4 |
Input Connections | 1 x 1/4″ TRS stereo (unbalanced) |
Output Connectors | 4 x 1/4″ TRS stereo (unbalanced) |
Input Impedance | 10 kOhms |
Output Impedance | 47 Ohms |
Maximum Output Level | +22 dB |
Function Controls | 4 x volume controls |
Frequency Response | Not specified by manufacturer |
Power Requirement | 12 VDC power supply |
Current Draw | |
Construction Material | Heavy-gauge steel chassis |
Dimensions (H x W x D) | 2.0 x 4.3 x 2.3″ / 51 x 109 x 58 mm |
Weight | 0.5 lb / 0.2 kg |
Package Weight | 0.925 lb |
Box Dimensions (LxWxH) | 7 x 5.7 x 2.85″ |