Your cart
Contact us
Close contact box
Connect ID #
497 233 289 3
Connect ID #
497 233 289 3
All finished with your chat session?

We’ll email you a transcript of this conversation for your records.

Our contact center is currently closed.

Please enter your name.  
Please enter a valid email address. Why is this required?

For Tech Support, call 1-888-292-2575

Thank you, !
Our conversation will be emailed to
Chat Advisor Image

Your Advisor,

More about me
Please enter a question  
Don't wait on hold. We'll call you back when it's your turn to talk with the next available .
Please enter your name  
Please enter your phone number  

Please enter a message  

Calls may be recorded for training and quality control purposes.

We are located in Virginia USA.

Mackie HM-4

Headphone amplifier

Item # 863HM4

California customers:
Please click here for your Proposition 65 warning.

Item # 863HM4

In stock

Need an expert?

Our Advisors know their stuff and love to help.

Hands-on research

We double check the details on each item.

Since 1974

Years of experience making people happy.

About the Mackie HM-4

Set up your home studio for headphone sound

A headphone distribution amp like Mackie's HM-4 can be an invaluable tool for home recording projects. Place it within arm's reach of the singer when she's laying down vocals. She can tweak her headphone level on the fly to stay comfortable and happy. This amp will send a headphone mix to up to four sets of cans, with independent volume control for each one.

Product highlights:

  • stereo 1/4" input (TRS)
  • four 1/4" stereo headphone outputs (TRS)
  • independent level control for each channel
  • includes AC power supply
  • 4-5/16"W x 2"H x 2-5/16"D
  • weight: .5 lbs.
  • warranty: 1 year
  • Our 60-day money-back guarantee
  • MFR # HM-4

What's in the box:

  • Headphone amplifier
  • DC Power supply w/ 60" cord (12 VDC / 200 mA)
  • Quickstart guide

Customer reviews

Loading reviews...

Mackie HM-4 reviews

Average review:

6 reviews

Thanks for submitting your review

Filter by rating

Customer photos

Sort reviews

Sort by:
Items per page:
View page:

Verified customer (What's this?)
Verified employee purchase (What's this?)



Crutchfield response

<< >>

More details on the Mackie HM-4

Russ B.

Product Research


Overview: The Mackie HM-4 4-way headphone amplifier is an easy, convenient way to allow up to 4 people listen to the same audio signal. It features one 1/4" stereo input and four 1/4" stereo outputs. The input can accept line-level mono signals, either balanced or unbalanced, or an unbalanced stereo signal. Each of the 4 outputs are unbalanced stereo and have their own volume control.


  • Maximum Input Level: +22 dB
  • Input Type: (1) Female 1/4" stereo, balanced/unbalanced
  • Input Impedance: 10 kΩ each channel
  • Output Type: (4) Female 1/4" stereo, unbalanced
  • Output Impedance: 47 Ω each channel
  • Level Control: (4) Rotating potentiometers
  • Current Draw: <220 mA maximum, +12 VDC
  • LEDs: (1) Power on/off
  • Dimensions: Width - 4.125", Height - 2.125", Depth - 4.0" w/ power cord
  • Weight: 0.5 lbs.

Loading accessories...

Customer Q&A

Loading articles...

Compare the sound