Mackie HM-4 4-Way Headphone Amplifier
The Mackie HM-4 is a 4-way headphone amplifier designed to provide simple and effective headphone amplification for artists, musicians, and engineers monitoring through headphones in home, project, commercial, and mobile-recording studios. Its single 1/4" TRS stereo input and four 1/4" TRS stereo outputs allow you to distribute a stereo source to up to four pairs of headphones.
Each output is controlled via a dedicated level knob, allowing varied listening volumes for each person. The compact heavy-gauge steel chassis offers rugged durability and a convenient power status indicator on its front panel. Use the included 12 VDC power supply to power the HM-4.
- Distribute a stereo input signal to up to four pairs of headphones
- Ideal for musicians in home and studio recording sessions
- One unbalanced 1/4" TRS stereo input
- Four unbalanced 1/4" TRS stereo headphone outputs
- Dedicated per-output level control allows each person to set a different listening volume
- Front-panel power status indicator
- Heavy-gauge steel chassis for long-lasting durability in the studio or on the road
- Includes 12 VDC power supply
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Specifications
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Number of Channels
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4
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Input Connections
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1 x 1/4" TRS stereo (unbalanced)
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Output Connectors
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4 x 1/4" TRS stereo (unbalanced)
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Input Impedance
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10 kOhms
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Output Impedance
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47 Ohms
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Maximum Output Level
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+22 dB
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Function Controls
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4 x volume controls
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Frequency Response
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Not specified by manufacturer
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Power Requirement
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12 VDC power supply
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Current Draw
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<220 mA maximum
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Construction Material
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Heavy-gauge steel chassis
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Dimensions (H x W x D)
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2.0 x 4.3 x 2.3" / 51 x 109 x 58 mm
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Weight
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0.5 lb / 0.2 kg
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