The TOA AT-603P is a flush-mounted wall volume control or attenuator and uses a transformer which allows connection of a wide range of loads (under 60W). Volume can be adjusted in five steps.

The TOA (Japan) AT-303P is a flush-mounted wall volume control / audio amplifier attenuator and uses a transformer which allows connection of a wide range of loads (under 30W). Volume can be adjusted in five steps...