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Mackie HM-400 4-Channel Headphone Amplifier
Mackie HM-400 4-Channel Headphone Amplifier

Mackie HM-400 4-Channel Headphone Amplifier

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SoundPro Item: 29327
MPN: HM-400
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Perfect for studios, practice spaces, quiet stages, and more, the HM Series offers everything you need whether it is just splitting a single signal to your band, or more complex headphone distribution.

The 19" rackmount model, the HM-400, delivers flexible, robust headphone distribution for studios, practice spaces and more.

Mackie HM-400 Features

  • L/R Main stereo inputs plus L/R stereo outputs
  • 7-segment LED metering per channel plus Main
  • 3 headphone outputs per channel
  • Aux input on each channel with balance control to mix main and aux signal
  • Mute and stereo / 2-ch mode switches per channel
  • 12 total headphone outputs
  • Built-Like-A-Tank™ construction
  • HM-400 4 channel headphone amplifier1
  • Frequency Response20Hz - 20,000Hz, ±1 dB
  • Noise-66 dB
  • Distortion (THD)<0.01% (+4 dBu, 1kHz, unity gain)
  • Max. Levels
    • Main Input: +15 dBu balanced/unbalanced
    • Aux Input: +20 dBu unbalanced
    • Headphone Output: 550 mW/channel @ 47Ω (+21 dBu)
  • CMRR (main input)>42 dB @ 1kHz
  • Gain Range (main input)-66 to 18 dBu
  • Input / Output
    • Input Type: female XLR balanced, female 1/4" unbalanced
    • Main Input Impedance: 20kΩ balanced, 10kΩ unbalanced
    • Aux Input Impedance: 10kΩ unbalanced
    • Output Type: male XLR balanced, female 1/4" balanced-unbalanced
    • Headphone Output Impedance: 3 Ω unbalanced
  • Power Requirements
    • Detachable Line Cord
      • ~100-120V, 50/60Hz, 24W
      • ~220-240V, 50/60Hz, 24W
    • AC Connector: 3-pin IEC 250 VAC, 10 A male
  • Display LEDs
    • Front power on/off
    • Front input level meter
    • Front output level meters
    • L/R mute switches
    • St. / 2-Ch switches
  • Dimensions (HxWxD)1.8" x 19" x 8.8"
  • Weight8 pounds

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Mackie HM-400 4-Channel Headphone Amplifier

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