Mackie HM-4 Headphone Amp

The Mackie HM-4 Headphone Amp allows you to conveniently split a single stereo monitoring signal to four pairs of headphones. The HM-4 amp features a 1/4'' stereo input and four 1/4'' headphone outputs, each with independent level controls. Powered via an included AC adapter, the Mackie HM-4 is ideal for studio recording sessions and audiophile listening with several people.

Features
Share a single stereo source with up to four pairs of headphones
Individual level control for each output
Powered via an included 12V adapter
Renowned Mackie 'Built-Like-A-Tank™ construction
Specifications
Input Level: +22dB, Maximum
Input Connector: 1 x 1/4'' Stereo, Unbalanced
Input Impedance: 10k Ohms, Unbalanced (Per Channel)
Output Connectors: 4 x 1/4'' Stereo, Unbalanced
Output Impedance: 47 Ohms, Unbalanced (Per Channel)
Level Controls: 4 x Rotating Knobs
Power Supply: 12V DC
Dimensions: 51mm x 109mm x 58mm (H x W x D)
Weight: 0.2kg