In Wall Impedance Matching Volume Control
By Speakercraft (VSI45)
MCM Part #50-8220
These stereo in-wall volume controls are designed for use in distributed audio systems, primarily with in-wall and ceiling speakers. Impedance matching design enables up to 8 pairs of 8 ohm speakers to be connected to a stereo amplifier, and appear as a 4 ohm load. Includes Decor Style Faceplates, Inserts & Knobs in White, Bone, and Almond.