The Quam QC4 is a single gang, rotary, wire-wound stepless attenuator with an OFF position. The finish is brushed stainless steel with embossed scale positions. The knob is black with white indicators.

The Quam QC10 Series is a single gang, continuous rotary, ten-step audio level attenuator with an OFF position. The finishes vary with the model. Refer to the technical specification. The knobs (except QC10W) are black with white indicators. The QC10W knob has a white, molded indicator.

All variants are UL Listed 813, except the QC10P. Click on the UL Listed Products in the navigation panel to the left to see a complete listing of Quam UL listed products.

The Quam QC20 is a single gang, continuous rotary, ten-step audio level attenuator with an OFF position and Phoenix Contact® connector. It is finished with a QC10 Stainless steel, embossed position, black knob with white indicator.

The QC20 attenuates audio power to any number of loudspeakers up to a 20W load. For use with 25V or 70.7V distributed audio systems; indoor environment.

The QC100 is a dual gang, continuous rotary ten-step audio level attenuator with an OFF position. The QC101 is a single gang, continuous rotary ten-step audio level attenuator with an OFF position. Formats available are: -P (Priority relay), -RM (Rack Mount) and –W (White finish).