Lowell KL100-DB
100W Auto-Trans Single-Gang Keylock Volume Control Attenuator (Black/Black)


Lowell’s KL Series volume controls feature a keylock instead of a knob to perform volume level adjustments.  This patented Lowell design (US Patent# 5,054,076) provides systems administrators with secured settings for volume level of critical paging and/or emergency systems.

Provides precise level adjustment of single or multiple speaker lines.  Includes easy-to-connect, phoenix-style plug-in screw termination strips for pre-wire convenience with wire capacity up to 14 gauge.  Attenuation is 3dB per step. 


  • Volume adjustment is performed using a keylock instead of a knob to avoid unauthorized setting changes.
  • 100W power rating
  • Decora®-style 2-piece design provides versatile installation
  • Stainless steel with black plastic subplate
  • Compact single-gang size blends with other wall devices
  • 1.75" depth fits standard E.O. boxes


  • Power Rating: 100W
  • Type: Auto-Trans
  • Switch Type: Rotary
  • Switch Positions: 10-off
  • Attenuation Step: 3dB
  • Attenuation Total: 33 dB (with two steps of 6dB each before off)


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