Emergency Public Address and Mass Notification Weatherproof PA System with 126 dB Bi-Axial High-Output PA Horns

Inside the Design

This emergency public address and mass notification system is built with rugged, all-weather components for 24/7 operation in challenging environments. Featuring three AtlasIED BIA-100 bi-axial horns driven by PD60AT compression drivers, the system provides wide-angle coverage and long-range sound projection. Paired with the Pure Resonance Audio RMA240BT Bluetooth mixer amplifier and a PTT1 push-to-talk microphone, it offers flexible control, reliable performance, and clear messaging for indoor and outdoor public areas.

Sound System Features:

• Weatherproof horns with wide-angle, long-range coverage
• Bluetooth-enabled amplifier for wireless streaming and paging
• Push-to-talk microphone for instant announcements
• High voice intelligibility for speech, alerts, and emergency signaling
• Durable design for all-weather indoor and outdoor applications
• Scalable system for institutional, industrial, and public venue use

About the System Components

AtlasIED BIA-100 Bi-Axial Paging Horns

The AtlasIED BIA-100 horns are designed for maximum coverage with a twin-air-column, bi-axial design and exponential bell, providing wide-angle sound projection and linear frequency response. Built for harsh environments, each horn features a durable gimbal-mount bracket for vertical and horizontal adjustment, ensuring precise placement for clear, intelligible voice reproduction over large areas.

AtlasIED PD60AT Compression Drivers

The PD60AT compression drivers efficiently power the BIA-100 horns, delivering clear, high-frequency output for speech and paging applications. Each driver includes a threaded mount for quick installation, providing consistent performance and reliable coverage for indoor or outdoor emergency PA use.

Pure Resonance Audio RMA240BT Bluetooth Mixer Amplifier

The RMA240BT Bluetooth mixer amplifier delivers 240 watts of reliable power and supports wireless streaming for convenient background audio or paging. It features multiple input channels, line outputs, and onboard tone and EQ controls, making it ideal for distributed paging, mass notification, and emergency communication systems.

Pure Resonance Audio PTT1 Desktop Push-to-Talk Gooseneck Microphone

The PTT1 push-to-talk microphone allows immediate, hands-on communication for announcements or emergency messages. Its flexible gooseneck design offers precise positioning, while rugged construction ensures long-term durability in high-use or outdoor environments. It integrates seamlessly with the RMA240BT amplifier for instant audio transmission.

System & Component Videos

AtlasIED BIA-100 Bi-Axial Paging Horns

• Accepts all AtlasIED and 1 3/8" - 18 thread compression drivers with 0.7" throat openings
• High-efficiency bi-axial horn provides 130° x 60° wide-angle sound coverage
• Nominal frequency response of 350-8,000 Hz for high-intelligibility voice, signaling, and full-range music
• Patented 180° gimbal-mount for flexible directional installation

AtlasIED PD60AT Compression Drivers

• Accurate sound reproduction for optimum intelligibility and dependable performance
• Ideal for high-power 70.7V public address systems
• Designed for use with BIA-100 bi-axial horns and other AtlasIED horn models

Pure Resonance Audio RMA240BT Bluetooth Mixer Amplifier

• 240-watt mixer amplifier with multiple input channels for flexible control
• Built-in Bluetooth for wireless streaming and paging applications
• Pre-amp outputs for connecting external processors or additional zones
• Remote or VOX mute capabilities for emergency or priority announcements
• Special low-cut filter for paging horn optimization
• Assignable VCA control and Music-on-Hold output for system customization
• UL-listed for commercial and industrial installations

Pure Resonance Audio PTT1 Desktop Push-to-Talk Gooseneck Microphone

• Flexible gooseneck design for precise microphone placement
• Push-to-talk operation allows instant transmission for paging or emergency alerts
• Durable, heavy-duty construction for long-term reliability
• High intelligibility for speech and emergency announcements

• (3) AtlasIED BIA-100 Bi-Axial Paging Horns
• (3) AtlasIED PD60AT Compression Drivers
• (1) Pure Resonance Audio RMA240BT Bluetooth Mixer Amplifier
• (1) Pure Resonance Audio PTT1 Desktop Push-to-Talk Gooseneck Microphone
• (1) Pure Resonance Audio XLRF-6-PREP Female XLR to Prep Patch Cable - 6ft
• (250') West Penn 225 16/2 Non-Plenum Audio Speaker Wire - Gray