TOA SC-651 50W Paging Horn

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SC-651

The SC-651 is a compact, highly intelligible speaker suited to public address announcement applications. Its external speaker component finished with powder coating, and stainless steel screws ensure the unit’s weatherproof capability.

Categories: Audio Conference System, PA & Sound System, TOA Microphone, TOA Tie Clip Microphone

Description
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Description

Ultra High-Power for Extreme Long-Range Paging

The TOA SC-651 50W Paging Horn High-Power is engineered for maximum voice projection across vast distances and in the most challenging noise environments. With a substantial 50-watt power handling (30W for mobile use) and a high 109 dB sensitivity, it delivers exceptional acoustic output for its class. Its specialized, focused frequency response (250 Hz – 6,000 Hz) is finely tuned for ultimate voice intelligibility and penetration, making it the definitive choice for long-range communication in massive outdoor sites like mining operations, large agricultural fields, major construction projects, and extensive industrial perimeters.

Heavy-Duty Construction for Permanent Outdoor Duty

Designed as a robust, fixed-installation tool, the SC-651 features a large aluminum horn and reinforced ABS construction. It carries a reliable IP65 rating for complete protection against dust and water jets, essential for permanent outdoor mounting. The unit includes a sturdy steel bracket and stainless steel hardware to withstand prolonged exposure to harsh weather and environmental stress, ensuring years of service with minimal maintenance.

Complete Technical Specifications

Specification	Details
Model	TOA SC-651 50W Paging Horn
Rated Input	50 W (Fixed) / 30 W (Mobile)
Impedance	16 Ω
Sensitivity	109 dB (1W, 1m)
Frequency Response	250 Hz – 6,000 Hz (Optimized for Long-Range Voice)
Protection Rating	IP65 (Dust-tight & Water Jet Protected)
Operating Temperature	-20°C to +55°C
Construction	Large Aluminum Horn, ABS Body, Steel & Aluminum Bracket, Stainless Steel Hardware
Cable	Integrated 600mm PVC Cabtyre Cable
Dimensions & Weight	430 (W) x 297.5 (H) x 327 (D) mm / 3.4 kg

Primary Applications

Mining, Quarrying & Large-Scale Agriculture: For announcements across kilometers of open area.
Major Infrastructure Projects: Dams, bridges, and large construction sites.
Airports & Seaports: Extremely long-range ground-to-vehicle communication.
Large Perimeter Security: For fences surrounding extensive industrial complexes.
Any application requiring the maximum possible voice projection distance.