Mackie HM-4 Headphone Amplifier – 4 Channel Output

The Mackie HM-4 is a professional-grade headphone amplifier featuring four independent output channels. Designed for studio and live sound environments, it delivers clear, high-fidelity audio to multiple users simultaneously. Each channel offers individual volume control, ensuring precise monitoring tailored to each listener’s needs. Its robust build and reliable performance make it an essential tool for collaborative audio production and mixing sessions.

About this item

One Source. Four Listeners. No Compromise.

The Mackie HM-4 is a compact, high-quality 4-channel headphone amplifier that allows up to four users to listen to the same source with independent volume control.

Ideal for recording studios, podcast teams, home setups, and more. It ensures clear, loud, and balanced audio across all connected headphones — without signal loss.

Key Features:

• 4-channel headphone amplifier

• 1 stereo ¼" TRS input

• 4 stereo ¼" headphone outputs

• Dedicated volume knob for each output

• Ultra-low noise, high-headroom circuitry

• Rugged, compact metal design

• Plug-and-play operation with included power supply

What's in the Box?

• Mackie HM-4 headphone amplifier

• Power adapter

• User manual