50W Fire Amplifier 25V/70V Selectable Single Channel, 8 Speaker Outputs SCA-5070

The SCA-5070 is a 50W single-channel fire amplifier designed for voice evacuation and emergency communication systems. It supports both 25VRMS and 70VRMS output power, making it compatible with a wide range of commercial audio installations. Built as a P-Link device, it integrates seamlessly into networked fire safety systems.

This amplifier accommodates up to 8 Class A or 8 Class B speaker outputs via a stacker terminal block, offering flexible speaker configuration for distributed audio coverage. It operates on 120VAC or 240VAC with integrated battery charger circuitry for reliable backup power. Up to 31 amplifiers can be daisy-chained in a single system for large-scale deployments.

Operating specifications include a standby current draw of 58 mA and alarm current of 608 mA, with an operating temperature range of 0°C to 49°C (32°F to 120°F). Backed by a 5-year limited warranty and manufactured in the United States.

• 50W output power with selectable 25VRMS or 70VRMS operation for flexible audio system design
• 8 Class A or 8 Class B speaker outputs via stacker terminal block for distributed coverage
• P-Link networked device supporting up to 31 amplifiers in a single installation
• Dual input/output flexibility with 120VAC or 240VAC operation and integrated battery charger
• Low standby current (58 mA) and compact single-channel design for efficient fire safety deployments