Crown NCT4150A-U-US CT 4150 ComTech DriveCore 4-Channel Power Amplifier, 125W at 4/8 Ohm

Optimize multi-zone audio for security, surveillance and AV monitoring with the Crown CT 4150 ComTech DriveCore 4-channel power amplifier from Crown by Harman. Built for integrators and facilities managers, this pro amplifier delivers 125W per channel at 4Ω (500W total) with DriveCore Class D efficiency while preserving the sonic clarity of a high-end Class AB design. The convection-cooled, fanless 1U chassis reduces noise and maintenance, making it ideal for control rooms, retail, transportation hubs and safety-critical paging. Integrated protection and patented feedback circuits safeguard connected speakers and ensure uninterrupted operation across 2–16Ω loads. Flexible input routing and optional transformers enable simple deployment in 70V/100V distributed audio or conventional low-impedance speaker systems. Backed by a 3-year limited warranty, the CT 4150 balances power, reliability and energy efficiency for professional AV, security and monitoring installations. Contact your sales rep to specify this Crown pro amplifier for your next surveillance, paging or public address project.

• Efficient DriveCore design delivers >90% efficiency to reduce power draw and heat, lowering operating costs and improving reliability
• Four compact channels (125W @ 4Ω each) in a 1U, convection‑cooled chassis for quiet, space-saving rack installations in monitoring rooms and control centers
• Fanless operation and robust protection circuits ensure maintenance-free performance in security and surveillance deployments
• Flexible input routing and stability from 2–16Ω simplify integration with diverse audio sources and speaker systems, including 70V/100V via transformer
• Integrated life-safety features and a 3-year limited warranty provide dependable, code-friendly operation for commercial AV and public address systems