Bogen SP308A Megaphone

Deliver clear, reliable voice alerts and public-address messages across indoor and outdoor sites with the Bogen SP308A Megaphone horn speaker. Purpose-built for professional mass notification, this reentrant horn offers high intelligibility and efficient sound projection—ideal for security, surveillance, monitoring, and day-to-day PA applications. The SP308A supports up to 30W power handling and is available in consistent voltage systems (70V/25V) or 8-ohm models to fit existing amplifiers and paging infrastructure. Its weatherproof, all-metal housing stands up to harsh environments found in industrial plants, transportation terminals, and outdoor recreational areas, while screw-terminal connections and an adjustable tilt/swivel mount make installation fast and precise. The SP308A’s efficient design delivers authoritative voice reproduction for emergency notifications, crowd control, and facility-wide announcements, helping operations teams maintain safety and situational awareness. Upgrade your public-address and security systems with the dependable Bogen SP308A—order today to improve coverage and ensure clear communication across your site.

• Delivers clear, high-intelligibility voice announcements for mass notification, security, and monitoring needs
• Weatherproof, all-metal construction provides durable outdoor and indoor protection for long-term deployments
• Compatible with 70V/25V public-address systems and available 8-ohm option for flexible integration
• Up to 30W power handling ensures broad coverage and audibility across campuses, warehouses, and transit hubs
• Simple installation with screw terminals and adjustable tilt-and-swivel mounting for fast setup and precise aiming