AT100D Deluxe Decora Plate Mounted 100W Attenuator, 3dB Steps by Atlas Sound is a very attractive design.
Decora style High-quality auto transformer series gives the advantages of excellent frequency response, low insertion loss and reliable performance for volume control application in 25 and 70.7-volt systems.
Attenuation is accomplished in ten make before break steps plus positive off position. (It does not stop between maximum and off position to prevent switch damage). Contacts are made to be silver plated for noise-free operation. It also features a removable terminal block, and comes in complete set with white and ivory plastic plates with matching skirted knobs.