Mackie Big Knob Passive Monitor Controller - Mint, Open Box ten inch The MDB-1A is built with

The MDB-1A is built with rugged construction to withstand the rigors of the road

two BLU-BOB1 devices

Cap: Patented Reed Replacer Cap

this mallet produces a relatively bright tone

A unique tube-driven electro-optical attenuator system allows instantaneous gain reduction with no increase in harmonic distortion - an accomplishment at the time

Mackie Big Knob Passive Monitor Controller - Mint, Open Box ten inch The MDB-1A is built withExpand Your Control with the Mackie Big Knob Passive Monitor Controller Mackie Big Knob Passive benefits from a proven, bestselling design to deliver professional level control, plus source and monitor selection for studios of any size. The passive audio path ensures pristine sonic integrity is maintained throughout your signal chain. More than just a level control solution, Big Knob Passive features the ability to choose between two sources and two