
Mackie HM Series HM-4 Flexible 4-Way Headphone Amplifier
Expected May 31, 2025
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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 4-Way Headphone Amplifier features a single 1/4" stereo input and four 1/4" headphone outputs with individual level controls. An extremely affordable headphone distribution solution, the HM-4 is perfect for tracking in the studio, mixing, practice spaces, and even in the home.
From watching movies late at night when others are asleep to offering a great way to gather around the laptop to enjoy videos and music, the HM-4 is really great for experiencing content together.
Superior 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.
Mackie HM Series HM-4 Flexible 4-Way Headphone Amplifier Features:
- Share a single stereo source with up to 4 pairs of headphones.
- Individual level control for each output.
- Powered via the included 12v AC adapter.
- Built-Like-A-Tank construction.
Mackie HM-4 Specifications:
Audio Performance:Maximum Level (1/4" input) - +22 dB
Input / Output:
Input Type - Female 1/4" phono, unbalanced, stereo
Input Impedance - 10 kΩ each channel, unbalanced
Output Type - 4x Female 1/4" phono, unbalanced, stereo
Output Impedance - 47 Ω each channel, unbalanced
Level Control - 4x Rotating Phones Knobs
Power Requirements:
Current Draw - +12V DC, <220 mA, maximum
Safety Features:
Display LEDs - Top power on/off
Physical Properties:
Height - 2.0" / 51 mm
Width - 4.3" / 109 mm
Depth - 2.3" / 58 mm
Weight - 0.5 lb / 0.2 kg
Each HM-4 Retail Box Includes:
(1) Mackie HM Series HM-4 Flexible 4-Way Headphone Amplifier