Valcom
SKU: V-9939C
Valcom V-9939C Microphone Adapter
Wall-mounted microphone adapter for Valcom paging systems
Overview
Manufacturer-verified compatible cameras, recorders, mounts, accessories, and licenses for this product. Adjust quantities and add the entire bundle to your cart in one click.
Overview
Questions about this product? Free pre-sales support from a senior specialist — product questions, compatibility checks, BOM quotes, price confirmation — typically answered within one business day. Need camera placement or system design work? Engineering time is $175 per hour (qty 1 = 1 hour). Hardware buyers get up to one hour ($175) credited back on their order.
The Valcom V-9934 is a wall-mounted remote microphone designed to work with the Valcom V-9933A Noise Sensing Volume Control. This microphone enables automated audio level adjustment based on ambient noise detection within your facility. The V-9934 measures noise level changes in production environments and communicates that data to the V-9933A control unit, which electronically adjusts speaker volume to maintain clear and intelligible page delivery across your PA system.
The V-9934 is purpose-built to operate with the Valcom V-9933A Noise Sensing Volume Control. When installed as part of this pairing, the system creates a closed-loop feedback mechanism: the V-9934 continuously monitors facility noise levels, and the V-9933A responds by dynamically adjusting speaker volume to compensate for ambient noise changes. This eliminates the need for manual volume adjustments and ensures consistent speech intelligibility throughout your facility. The microphone's wall-mount design allows flexible placement in production areas, machine shops, warehouses, and other facilities where noise levels fluctuate during normal operations.
Installation of the V-9934 should position the microphone in a representative location that accurately reflects the ambient noise environment where announcements will be heard. The microphone placement directly influences the V-9933A control unit's ability to maintain appropriate volume levels. In high-noise industrial settings, positioning the microphone away from localized noise sources (such as specific machinery) ensures the system responds to overall facility noise rather than isolated spikes. The lightweight construction (0.06 lbs) allows mounting on standard wall surfaces without specialized reinforcement.
The V-9934 operates as a passive audio input device, transmitting audio data to the connected V-9933A control unit for processing and volume decision-making. This architecture keeps the microphone itself simple, reliable, and maintenance-free during extended operation.
From a systems integration perspective, the Valcom V-9934 addresses a real operational challenge in facilities with variable ambient noise: maintaining consistent announcement clarity without constant manual adjustment. I've evaluated this microphone during deployments in manufacturing plants where noise levels swing dramatically between shift changes and machine operation cycles. The V-9934 paired with the V-9933A eliminates the need for staff to manually adjust volume or for announcements to be repeated because listeners couldn't hear them clearly the first time.
Technical Highlights:
Deployment Considerations:
For integrators working in manufacturing, logistics, or any high-noise industrial environment, the V-9934 is a straightforward, reliable component that solves a specific problem. Pair it with the V-9933A and your PA system becomes adaptive rather than static—a meaningful improvement in operational efficiency and workplace communication compliance.
Manufacturer-verified compatible cameras, recorders, mounts, accessories, and licenses for this product. Adjust quantities and add the entire bundle to your cart in one click.
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