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Mackie HM-400 4-Channel Headphone Amplifier

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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

Specification Details
Frequency Response 20 Hz – 20 kHz (±1 dB)
Gain 18 dB
Input Impedance 20 kΩ (balanced)
Output Impedance 3 Ω
Total Harmonic Distortion 0.01%
Signal-to-Noise Ratio -66 dB
Power Consumption 24 W
Dimensions (H x W x D) 1.8" x 19" x 8.8"
Weight 3.6 kg (8 lbs)

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.

Mackie HM-400 headphone amplifier, Mackie 4-channel headphone amp, rackmount headphone amp, professional headphone amplifier, HM400 specs, Mackie audio monitoring

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

Specification Details
Frequency Response 20 Hz – 20 kHz (±1 dB)
Gain 18 dB
Input Impedance 20 kΩ (balanced)
Output Impedance 3 Ω
Total Harmonic Distortion 0.01%
Signal-to-Noise Ratio -66 dB
Power Consumption 24 W
Dimensions (H x W x D) 1.8" x 19" x 8.8"
Weight 3.6 kg (8 lbs)

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.

Mackie HM-400 headphone amplifier, Mackie 4-channel headphone amp, rackmount headphone amp, professional headphone amplifier, HM400 specs, Mackie audio monitoring
$282.91
Mackie HM-400 4-Channel Headphone Amplifier
$282.91

Description

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

Specification Details
Frequency Response 20 Hz – 20 kHz (±1 dB)
Gain 18 dB
Input Impedance 20 kΩ (balanced)
Output Impedance 3 Ω
Total Harmonic Distortion 0.01%
Signal-to-Noise Ratio -66 dB
Power Consumption 24 W
Dimensions (H x W x D) 1.8" x 19" x 8.8"
Weight 3.6 kg (8 lbs)

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.

Mackie HM-400 headphone amplifier, Mackie 4-channel headphone amp, rackmount headphone amp, professional headphone amplifier, HM400 specs, Mackie audio monitoring