Features:
Adjusts loudspeaker output levels on 25V and 70V systems 2 models control up to 10-watt and 35-watt speaker systems 10 attenuation steps and an off setting Attenuation in 3 dB increments except for two lowest settings, which provide 6 dB reduction increments Mounts in standard electrical box, single (AT10A) or double (AT35A) Simple connections