V-9933A - Valcom Noise Sensing Volume Control | Aztek Computers
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SKU: C4HIRKNTLU |  Mfg. Part: V-9933A  | UPC: 799111008905  |  0 Reviews  |     Share Make an offer

V-9933A - Valcom Noise Sensing Volume Control

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$350.03  $472.54
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Product Overview

Valcomft. s V-9933A is a self-contained device that continuously monitors the area and automatically adjusts the volume on the paging speakers. Use one per zone and/or one per noise area; Specifications: Input Impedance: 600 ohm; Power Requirements:-24 Vdc 100 mA; Shipping Weight: 1.1 lbs (0.50 kg); Dimensions: 7.3in. H x 4.7in. W x 2.1in. D(18.54 cm x 11.93 cm x 5.33 cm)

Expert Overview

The Valcom Noise Sensing Volume Control, part number V-9933A, is a self-contained device designed for integration into paging systems. This unit continuously monitors ambient noise levels within a designated area and automatically adjusts the volume output of connected paging speakers. It is intended for businesses and organizations that require consistent audibility for announcements in environments with fluctuating background noise, such as warehouses, manufacturing floors, or public spaces. By dynamically adapting speaker volume, the V-9933A helps ensure that pages are clear without being excessively loud during quiet periods. This device can be deployed one per zone or per specific noise area, addressing a common challenge of maintaining effective communication across varied operational settings.

Technical Specifications

  • Expandable up to 96 zones with V-2925A
  • One-way all call capability to all speakers
  • Built-in volume controls and amplifiers in each speaker
  • No high-power amplifier required
  • Uses standard CAT 3, 5, 5E twisted pair cabling
  • Compatible with existing twisted pair cables
  • Supports systems up to 360 zones

Product Details

  • Manufacturer:
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  • UPC:
  • Condition:
  • Weight:
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  • VALCOM
  • V-9933A
  • 799111008905
  • New
  • 1.45 lbs
  • 11 X 4 X 5
  • Aug 28, 2026
  • Aug 27, 2026
Product Identifiers: Brand: Valcom • Part #: V-9933A • UPC: 799111008905 • Category: Intercom Systems

Frequently Asked Questions

What are the power requirements for the V-9933A?

The Valcom Noise Sensing Volume Control requires -24 Vdc at 100 mA for operation.

How does the V-9933A integrate with existing Valcom systems?

The V-9933A is compatible with existing twisted pair cables and can expand systems up to 96 zones when used with the V-2925A. It supports overall systems up to 360 zones.

What type of cabling does the V-9933A utilize?

This device uses standard CAT 3, 5, or 5E twisted pair cabling for connectivity.

What is the physical size and weight of the unit?

The Valcom V-9933A measures 7.3 inches H x 4.7 inches W x 2.1 inches D (18.54 cm x 11.93 cm x 5.33 cm) and has a shipping weight of 1.1 lbs (0.50 kg).

V-9933A - Valcom Noise Sensing Volume Control

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$350.03