WH-7FB : 70V/100V Speaker Volume Controller

WH-7FB : 70V/100V Speaker Volume Controller

The WH-7FB Volume Controller is a professional-grade passive audio control device designed for precise volume adjustment in distributed 70V/100V public address systems. Its clean, modern design and reliable internal components make it suitable for commercial and security-focused installations where stable audio control and emergency broadcast compatibility are required. Built for durability and ease of use, the WH-7FB integrates seamlessly into professional audio infrastructures.

Product Features

• Passive speaker volume controller for 70V/100V PA systems
• 6-step attenuation control with 3 dB per step for precise volume adjustment
• Supports emergency broadcast signal pass-through, ensuring priority audio delivery
• Large, ergonomic rotary knob for smooth and effortless operation
• Modern, low-profile wall-mount design suitable for commercial interiors
• High-quality ABS housing, impact-resistant and deformation-resistant
• Environmentally friendly, odorless, and non-toxic construction materials
• Designed for two-wire, four-wire, and six-wire system configurations
• Universal installation size for fast mounting and easy replacement

The WH-7FB Volume Controller offers dependable volume regulation, emergency signal compatibility, and a professional appearance, making it an essential component for modern 70V/100V audio distribution systems in security and commercial applications.