Best Seller | Mackie HM-4 4-Way Headphones Amplifier HM-4 Authorized Mackie USA Dealer! Read 13.00 User Revi... [Pre Order - allow extra time] Mackie HM-4 4-Way Headphones Amplifier 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... ... more Mackie HM-4 4-Way Headphones Amplifier HM-4 [Pre Order - allow extra time] Mackie HM-4 4-Way Headphones Amplifier 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... | | $36.00 go to store |