Products catalog

  • Volume controller | 30W per channel | 4–16Ω | 5 volume adjustment levels | ABS plastic | flush-mounted

    Code: WH-2RS

    A dual-channel audio volume controller designed for convenient, safe, and reliable sound level control in various audio systems. The device features an “Override” (priority) function that automatically bypasses the user-set volume during emergency or priority announcements.

    Thanks to its compact design, durable ABS plastic housing, and easy installation, the WH-2FRS is well suited for both residential applications as well as commercial and public address (PA) systems. 

  • Technical Specifications

    Type: dual-channel constant impedance volume controller
    Number of channels: 2
    Rated power:
    • up to 30 W per channel
    • up to 60 W total (both channels)
    Supported load: 4–16 Ω
    Volume control: 5 mechanical steps (levels)
    Control: synchronous control of both channels
    Material: high-quality, eco-friendly ABS plastic
    Resistance: impact- and deformation-resistant
    Surface: color-coated front panel
    Odor: odorless, non-toxic, safe for indoor use

    Functions

    Dual-channel audio control – allows simultaneous control of two audio lines while maintaining balance and constant impedance
    Constant impedance support (4–16 Ω) – ensures safe amplifier operation and stable audio signal regardless of volume level
    5-step volume control – clear and convenient volume selection without complex settings
    Impact-resistant housing – retains shape and withstands daily use and mechanical stress
    Synchronous channel control – both channels are controlled with a single knob for ease of use

    Applications

    For home users: Multi-zone home audio systems, background music control in different rooms, a simple and reliable everyday solution
    For engineers / designers: Public address (PA) systems, emergency announcements and evacuation solutions, projects requiring priority audio control
    For installers: Quick and easy installation, clear wiring scheme, compatibility with 4–16 Ω systems, reliable component for professional installations
    Other use cases: Offices, shops, schools, hotels, restaurants, conference rooms, corridors, stairwells, common areas

    Pros

    • Two channels in one device
    • Constant impedance – safe amplifier operation
    • Up to 60 W total power
    • Durable and aesthetic ABS housing
    • Simple and reliable operation
    • 5-step mechanical control

    Cons

    • No separate volume control for each channel
    • Designed only for low-impedance (4–16 Ω) systems
    • No digital control or display 

    Illustrative image may have been created using AI. The appearance of the product may differ slightly from the image shown. Please refer to the technical specification.
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