Mackie HM-400 4-Channel Headphone Amplifier adapter Big Knob Studio is the

Big Knob Studio is the ultimate compact studio solution – just add monitors

but can be employed equally well in more compact listening environments

add a Mackie SRM350v3 active speaker to your rig

although it may also be used in more compact listening environments

This amp combines low heat generation with high performance to handle maximum power levels

Mackie HM-400 4-Channel Headphone Amplifier adapter Big Knob Studio is theThe Mackie HM 400 is a rack mountable, 4 channel headphone amplifier designed to provide versatile headphone amplification for artists, musicians, and engineers monitoring through headphones in live stage applications and home, project, commercial, and mobile recording studios. It features a stereo main output via XLR and 1 4" jacks and twelve 1 4" TRS stereo headphone outputsthree per channelfed by a customizable blend of inputs. One stereo main