Mackie HM-4 4-Way Headphone Amplifier

Model #HM-4

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General Information

Number of Channels 4
Input Connections 1 x 1/4" TRS stereo (unbalanced)
Output Connectors 4 x 1/4" TRS stereo (unbalanced)
Input Impedance 10 kOhms
Output Impedance 47 Ohms
Maximum Output Level +22 dB
Function Controls 4 x volume controls
Frequency Response Not specified by manufacturer
Power Requirement 12 VDC power supply
Current Draw <220 mA maximum
Construction Material Heavy-gauge steel chassis
Dimensions (H x W x D) 2.0 x 4.3 x 2.3" / 51 x 109 x 58 mm
Weight 0.5 lb / 0.2 kg
Product Highlights
  • 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
In The Box
  • Mackie HM-4 4-Way Headphone Amplifier
  • 12 VDC Power Supply
  • Limited 1-Year Warranty
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