Speco Technologies 80W Impedance Matching Volume Control with 3 Color Plates and Knobs

The Speco Technologies 80W Impedance Matching Volume Control with 3 Color Plates and Knobs is a professional wall-mounted audio control designed for distributed speaker systems in commercial and residential installations. Engineered with a high-quality auto-former impedance matching design, this volume control allows installers to connect multiple speaker pairs to a single amplifier without risking overload or signal distortion.

With a maximum power handling of 80 watts, the control supports 2, 4, 8, or 16 pairs of 8-ohm speakers, making it ideal for multi-room audio systems, background music zones, restaurants, offices, and retail spaces. The 12-step rotary attenuation dial provides smooth and precise volume adjustment while maintaining consistent sound quality across the system.

Designed for flexible installations, the unit includes three interchangeable Decora-style plates and knobs (white, ivory, and almond) so installers can match the control to existing wall décor. The control fits standard single-gang electrical boxes and features removable terminal blocks that accept up to 14-gauge speaker wire for quick and secure wiring.

Key Features

• 80W impedance-matching volume control for distributed audio systems
• Auto-former design protects amplifiers from overload
• Supports 2–16 pairs of 8-ohm speakers on a single amplifier
• 12-step rotary attenuation for precise volume adjustment
• Includes three interchangeable Decora plates and knobs (white, ivory, almond)
• Frequency response: 20 Hz – 20 kHz for full-range audio performance
• Removable terminal blocks support up to 14-gauge speaker wire
• Fits standard single-gang electrical boxes for easy installation

Control speaker volume easily across multiple zones. Order the Speco Technologies 80W Impedance Matching Volume Control today to deliver reliable audio control in your installation.