Lowell 100LVC-RM 100W Mono Autoformer Attenuator Volume Control with Rotary Switch, Black

Improve audio control for security and surveillance environments with the Lowell Manufacturing 100LVC-RM 100W mono autoformer attenuator. Designed as a rack-mount volume control module, this unit delivers reliable, professional-grade attenuation for monitoring rooms, paging systems, and CCTV audio feeds. Supporting 25V, 70V and 100V distributed speaker lines and rated for 100W, the 100LVC-RM gives installers flexibility to integrate with existing PA and security audio infrastructures. Its rotary switch provides 10 user-friendly positions with precise 3 dB steps for accurate level matching between zones, while Phoenix-style plug-in screw terminations speed installation and simplify service. The low-profile black chassis keeps racks organized and minimizes footprint in equipment rooms. For security integrators and AV technicians, this attenuator improves intelligibility, reduces complaints from overdriven speakers, and enables quick adjustments during live monitoring and emergency announcements. Equip your surveillance, paging, or monitoring system with the Lowell 100LVC-RM to achieve consistent audio coverage and easier maintenance—order now or add to your next security system build.

• Maintain clear, intelligible audio across monitoring and control rooms with precise 3 dB step attenuation for consistent zone balance.
• Integrates quickly into existing systems supporting 25V, 70V and 100V speaker lines to simplify deployment in security and surveillance installations.
• Save rack space and streamline wiring with a compact rack-mount design and secure Phoenix-style plug-in screw terminations for fast installs and maintenance.
• Make fast, repeatable adjustments with a tactile 10-position rotary knob and adhesive dial scale—ideal for on-the-fly volume changes during live monitoring.
• Reduce downtime and support costs with a robust, professional-grade attenuator built for continuous operation in demanding security and paging environments.