DSPPA WH-7FB – 30W Volume Controller with Emergency Broadcast Override, 70V/100V & 6-Gear Control
Overview:
• The DSPPA WH-7FB is a 30W wall-mounted volume controller designed for commercial PA and background music systems.
• Supports 70V/100V speaker line systems for professional distributed audio installations.
• Features 6-gear volume control with 6 × 3dB attenuation range for accurate local audio level adjustment.
• Supports emergency broadcast signal overriding function, allowing important announcements to override normal volume settings.
• Built with high-quality white ABS plastic and a streamlined design that matches different decorative styles.
• Suitable for medium speaker zones in hotels, schools, offices, hospitals, and commercial buildings.
Key Features:
• 30W Volume Controller
• 70V/100V PA System Support
• 6-Gear Volume Control
• 6 × 3dB Attenuation Range
• Emergency Broadcast Signal Override
• Frequency Response 50Hz-20kHz
• THD Less Than 0.5%
• High-Quality ABS Plastic Body
• White Finish
• Wall-Mounted Design
• Large Knob for Easy Operation
• Suitable for Medium Speaker Zones
Technical Specifications:
• Product Type: Volume Controller
• Brand: DSPPA
• Model: WH-7FB
• RMS Power: 30W
• Input Voltage: 70V / 100V
• Attenuation Range: 6 × 3dB
• Frequency Response: 50Hz-20kHz
• THD: <0.5%
• Expander: Not Attached
• Package Size: 155 × 75 × 70 mm
• Product Size: 114 × 70 × 55 mm
• Product Weight: 310g
• Color: White
• Material: ABS Plastic
• Installation Type: Wall-Mounted
• Application Cable: Two-Wire / Four-Wire / Six-Wire
• Application: Public Address / Background Music / Commercial Audio Systems
Applications:
• Public Address Systems
• Background Music Systems
• Hotels
• Schools
• Offices
• Hospitals
• Retail Stores
• Commercial Buildings
• Corridors
• Medium Audio Zones
Connect Gates Recommendation:
• Recommended for medium PA speaker zones requiring 30W local volume control with emergency broadcast override support.
• Suitable for commercial sound systems using 70V/100V speaker lines.
• Connect Gates recommends calculating the total speaker wattage in each zone before selecting the controller capacity.