Mackie HM-4 4-Channel Headphone Amp Type_Power Supply and the “Tone” knob allows

and the “Tone” knob allows you to accentuate different upper-mid frequencies

This hot reissue features our Vintage 50’s Lipstick Pickups

top of the line suspension and a special British cone

Adaptable and user-friendly

such as the Little Black Buffer

Mackie HM-4 4-Channel Headphone Amp Type_Power Supply and the “Tone” knob allowsThe ultra compact HM 4 4 way headphone amplifier features a 1 4 stereo input and four 1 4" headphone outputs with individual level controls. Perfect for studios or even at home when up to four people want to listen together. Share a single stereo source with up to 4 pairs of headphones Individual level control for each output Powered via the included 12V AC adapter Built like a tank construction