AudioTechTV. Mackie Big Knob Passive Review - Monitor Controller. Posted: April 15, 2025 | Last updated: April 15, 2025. More for You ...

A Designs Audio’s ATTY, a passive in-line audio level controller, is designed to control mono/stereo audio signals from powered monitors and amplified units having no output control, such as a series ...

Along with the PVC PC passive volume control, NHT continues to offer the M-00 (or as it is known in multimedia and pro audio circles, the “moo”), a compact, two-way acoustic suspension mini-monitor ...