Mackie HM-400 4-Channel Headphone Amplifier

Mackie HM-400 4-Channel Headphone Amplifier

The Mackie HM-400 is a professional-grade 4-channel headphone amplifier designed for studios, broadcast environments, and live setups. Rackmountable in a standard 1U space, the HM-400 offers flexible routing, powerful output, and individualized control for up to 12 headphone connections—making it an essential tool for multi-user monitoring systems.

With individual volume control, EQ, and blend options per channel, the HM-400 ensures customized, high-quality audio monitoring in demanding environments.

Key Features

• 4 Independent Channels: Each with its own volume, 2-band EQ (Bass & Treble), and aux input control.
• 12 Total Headphone Outputs: Each channel offers 3 outputs—1 front panel and 2 rear panel jacks.
• Aux Input Blending: Balance control lets each user mix their own source with the main stereo input.
• Stereo/2-Channel Modes: Selectable per channel for flexible monitoring needs.
• Main I/O Options: Balanced XLR and 1/4" TRS inputs and outputs on rear; front-panel stereo input included.
• LED Metering: Individual LED level meters per channel and main input.
• Built for Professionals: Rugged, all-metal 1U rackmount design for studio or touring use.

Specifications

Why Choose the Mackie HM-400?

The HM-400 is perfect for professional audio applications where multiple headphone monitoring options are required. With customizable control for each user, robust I/O configurations, and a road-ready design, it’s an ideal solution for studios, live rigs, and podcast production environments alike.