Lowell CT830A-T870 8-Inch Coaxial Speaker with Transformer, 20W at 8 Ohms, 70V

Optimize on-site communications with the Lowell Manufacturing CT830A-T870 8-inch coaxial speaker, a pro speaker engineered for clear paging, background music, and security monitoring. This commercial-grade unit delivers 20W at 8 ohms and includes a 70V transformer option for seamless integration into distributed PA and multi-zone systems. With a wide frequency response (approx. 44 Hz–20 kHz) and coaxial driver design, the CT830A-T870 reproduces voice and program audio with clarity that improves intelligibility for paging, surveillance audio feeds, and public address needs.

Designed for integrators and facility managers, the 8.06" diameter housing is compact for common ceiling and enclosure mounts, reducing installation time and labor. The transformer-equipped model allows multiple speakers to run on a single 70V amplifier, simplifying wiring across campuses, retail, education, and healthcare environments. Whether you’re upgrading security systems, expanding monitoring setups, or deploying a new paging network, this Lowell pro speaker delivers reliable, professional audio performance. Add the CT830A-T870 to your next security or PA project to ensure clear, consistent coverage—contact us or add to cart to get started.

• Clear, intelligible paging and background music for commercial spaces, improving occupant safety and customer experience
• Built-in 70V transformer with 20W capability simplifies integration into distributed public address systems
• Robust 8-inch coaxial design delivers punchy low end and crisp highs across a wide frequency range for reliable monitoring and surveillance audio
• Easy installation and compact 8.06" diameter housing fits common ceiling and enclosure mounts to reduce labor time
• Optimized for security, surveillance, and PA applications where speech clarity and dependable operation are critical