The Mackie HM-4 is a 4-way headphones amplifier designed to provide simple and effective headphones 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.

Distribute Signal to Multiple Headphones    1 x 1/4" TRS Stereo Input    4 x 1/4" TRS Stereo Headphone Outputs    Dedicated Level Control per Output    Power Status Indicator    Compact Heavy-Gauge Steel Chassis    Includes Power Supply

Distribute a stereo input signal to up to four pairs of headphones

Ideal for musicians in home and studio recording sessions

One unbalanced 1/4" TRS stereo input

Four unbalanced 1/4" TRS stereo headphone outputs

Dedicated per-output level control allows each person to set a different listening volume

Front-panel power-status indicator

Heavy-gauge steel chassis for long-lasting durability in the studio or on the road

Includes 12 VDC power supply

Related Questions and Answers

Q: 1. What is the brand of the leather and deep earpads that are listed with the Sony mdr 7506 ?

A: The sheepskin ear pads are made by Auray.

Q: 2. Can I connect to my Fender Amplifier to privately listen to my guitar rifts? thanks!

A: If your amp has a headphone output, than yes you can.

Q: 3. How tall is the tripod - what is the height range?

A: The manufacture dose not list the maximum height of the stand the Mackie 3-Color Ring Light Kit with Stand and Remote (10") comes with.

Q: 4. What are the specific color temperatures that this light has? 5600K, etc?

A: The following unit offers a range of 3200-5200 Kelvin.

Q: 5. How could I use these Headphones with an iPhone that doesn't have a headphone jack?

A: Apple Lightning to 3.5mm Headphone Jack Adapter. Can be found art the link below. https://www.bhphotovideo.com/c/product/1280795-REG

Q: 6. Can these Headphones be used with a Portable CD Player that is powered by (2) AA Rechargeable Batteries ?

A: Hi Mary Morrison, Yes, it will support a portable CD player. ~Ralph

Q: 7. Is the coiled cable replaceable? Does it detach from the headphones?

A: The cable for the Sony MDR-7506 headphones is not detachable.

Q: 8. Is there any difference between Sony's MDR-7506 and MDR-V6, other than the plugs? Is there any subtle sound difference?

A: MDR-V6 has Frequency Response: 5 Hz – 30 kHz and will give you a more detailed sound. Unfortunately, they were discontinued. MDR-7506 has Frequency Response: 10Hz – 20 kHz.

Q: 9. is it compitable with mac?

A: The mixer will connect to most computers with the proper analog cable connections. There is no direct communication with the computers OS that will require compatibility.

Q: 10. How do I shorten the coiled cord on the Sony Mdr 7506?

A: The Sony MDR-7506 has a permanently attached cable. Unfortunately not designed to be user replaced or serviced.