Used Coleman Audio M3PH MkIII Volume Controller

Used Coleman Audio M3PH MkIII Volume Controller in good condition, delivering transparent, precise monitoring control for professional studios. Features a passive, relay-stepped attenuator design for accurate level matching, plus multiple stereo inputs and speaker outputs for flexible routing. Expect rock-solid build quality, low noise, and excellent channel balance across the range, making it ideal for mixing and mastering setups where consistency matters. A dependable centerpiece for clean, repeatable monitor level control.