| Adjusts loudspeaker output levels on 25 V and 70 V systems |
| Bypass function allows important and emergency announcements to be heard at the highest level even if local attenuator volume is set low or off |
| 2-models control up to 10 w and 35 w 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 (ATP10) |
| Convenient pluggable screw terminal connections |
| 9 to 30 VDC at 22 mA bypass contro |
