RDL RU-VCA2A Digitally Controlled Channel Audio Attenuator

Optimize audio level control across broadcast, security and pro AV installations with the Radio Design Labs RU-VCA2A digitally controlled channel audio attenuator. Designed as a studio-quality signal attenuator, the RU-VCA2A delivers precise, noiseless adjustment in 0.5 dB steps and a wide 96 dB attenuation range, ensuring reliable, click-free performance for monitoring, surveillance and live sound environments. Rear-panel wiring supports balanced or unbalanced line inputs/outputs, while flexible control options include momentary pushbutton control, 0–10 VDC remote pots and master/slave data bus expansion for multi-module systems. Two independent 0–10 V outputs provide ramp and EQ control for system automation, and front-panel LED meters display real-time level status. Compact and rack-friendly, the RU-VCA2A runs from a 10 V DC supply and is built for long-term precision in demanding security and broadcast applications. Whether you’re leveling feeds for a control room, adjusting surveillance audio, or integrating into a distributed audio system, the RU-VCA2A provides dependable, professional-grade attenuation. Contact us to discuss system integration or order to upgrade your monitoring and security audio control.

• Precise, noiseless level control in 0.5 dB steps for consistent, click-free audio performance
• Flexible local or remote operation with 0–10 VDC or momentary control for easy integration into monitoring and security installations
• Balanced or unbalanced I/O and 96 dB attenuation range to handle diverse pro audio and surveillance sources
• Master/slave data bus expands control to multiple modules for scalable systems and centralized level management
• Front-panel LED level display and adjustable ramp rates for immediate visual feedback and smooth transitions