Industrial ER-55 Handheld Public Address Megaphone

Description:

The Transistor ER-55 megaphone is a portable handheld voice amplification device used for public address, crowd management, emergency notification, and outdoor communication. Commonly used by security personnel, event organizers, schools, emergency responders, sports officials, and industrial facilities requiring clear voice projection over long distances. Maintenance teams and facility managers use this megaphone for public announcements, evacuation procedures, and outdoor communication where reliable voice amplification is essential.

Applications:

The Transistor ER-55 megaphone is designed to amplify speech for use in public gatherings, sporting events, construction sites, emergency response operations, schools, warehouses, and industrial facilities. Its lightweight design and battery-powered operation make it suitable for both indoor and outdoor applications requiring portable voice communication.

Technical Specifications:

• Manufacturer Part Number (MPN): ER-55
• Manufacturer: Transistor
• Product Type: Megaphone
• Rated Output Power: 25 W Max
• Power Source: 8 × C-Cell Batteries (Not Included)
• External Power Input: 12 VDC (Model Dependent)
• Effective Range: 0.5–1.0 km (Operating Conditions Dependent)
• Speaker Impedance: 8 Ω
• Sound Pressure Level: 105 dBA @ 1 W / 1 m
• Construction: ABS Plastic and Metal
• Color: Sky Blue (Typical)
• Dimensions: Ø230 × 370 mm (9.1 × 14.6 in)
• Weight: Approx. 1.65 kg (3.64 lb) Without Batteries
• Function: Portable Voice Amplification for Public Address
• Compatible Components: 12 VDC External Power Source (Where Applicable)
• Application Environment: Schools, Sporting Events, Industrial Facilities, Emergency Response, and Outdoor Public Address Systems

Common Replacements:

• MIPRO ER-55S Megaphone
• SHOW ER-55S Megaphone
• TOA ER-520 Megaphone