Rockville
Rockville VOL7035 White 35w 70v Wall Volume Control Zone Controller Box 1-Gang
Skywalker
Stainless Steel Volume Control Wall Plate, 25/70V
OSD Audio
OSD 300W in Wall Volume Control Knob with On/Off Switch - SVC205
Monoprice
Monoprice Speaker Volume Controller RMS 100W (Slide Type) - White