Mackie HM-4 4-Way Headphone Amplifier

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.

Features:

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

Specifications:

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

Package Weight: 1.0 lb

Box Dimensions (LxWxH): 6.9 x 5.8 x 2.9"