OSD Audio 300W in-wall volume control with impedance matching
Compact in-wall volume control for multi-speaker systems with adjustable impedance and front-mounted jumpers. Helps balance speaker levels while protecting gear; easy to wire and operate a rotary knob for varied listening levels
Highlights
- adjustable impedance for multiple speakers
- independent volume control by zone
- protects amplifier from load issues
Pros
- 300 W per channel capability
- front-mounted adjustable impedance jumpers
- independent volume control for speaker pairs
- autoformer design with rotary knob
Cons
- mixed feedback on build quality
- some describe it as bulky for standard boxes
Best For
Features
- 300 Watts per channel with front-mounted impedance jumpers for up to eight pairs of 8-ohm speakers
- Independent volume control for a pair of speakers within a multi-room system
- Impedance protection to stabilize load and reduce risk of overheating
- 12-step wiring with high-quality autoformer design and a rotary knob for wide volume range
