HM Series

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.

 
 
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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

 
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. 

 
 

Series Line-Up

Your monitoring setup is about to get an awesome upgrade

HM-4

4-Way Headphone Amplifier
  • 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
 

HM-400

4-Channel Headphone Amplifier
  • L/R Main stereo inputs plus L/R stereo outputs
  • 7-segment LED metering per channel plus Main
  • 3 headphone outputs per channel
  • Aux input on each channel with balance control to mix main and aux signal
  • Mute and stereo/2-ch mode switches per channel
  • 12 total headphone outputs
  • Built-Like-A-Tank™ construction
 

HM-800

8-Channel Headphone Amplifier
  • 2 discrete main stereo inputs with separate level control plus stereo outputs
  • 7-segment LED metering per channel plus Main
  • 2 headphone outputs per channel
  • 8 independent Aux inputs for up to 8 individual stereo mixes
  • Input Select and Stereo/Mono switches per channel
  • 16 total headphone outputs
  • Built-Like-A-Tank™ construction
 
 

QUICK COMPARISON

PRODUCT

TOTAL HEADPHONE OUTPUTS

AUX INPUTS

INPUT CONNECTIONS

OUTPUT CONNECTIONS
HM-4 4 N/A 1/4" TRS 4x 1/4" TRS
HM-400 12 Per Channel L/R XLR, TRS 12x 1/4" TRS, L/R LR + TRS
HM-800 16 Per Channel 2x L/R XLR, 2x Pair TRS 16x 1/4" TRS, Stereo XLR Pass through

 

SPECS & DOWNLOADS

PRODUCT PHOTOS

HM-400

HM-400 Front

HM- 400 Rear

HM-800

HM-800 Front

HM-800 Rear

HM-4

HM-4 Front

HM-4 Top