Crown NCT475A-U-US CT 475 ComTech DriveCore 4-Channel Power Amplifier, 75W at 4/8 Ohm

Deliver clear, reliable audio for security and monitoring without compromising efficiency. The Crown by Harman CT 475 pro amplifier is a four-channel solution engineered for surveillance, paging, and distributed audio systems—providing 75W per channel (300W total) into 4/8 Ω with exceptionally low THD (0.05%) for intelligible voice announcements and dependable background audio.

Powered by DriveCore technology, the CT 475 combines Class D efficiency with Class AB sonic quality, giving integrators high power density (>90% efficiency) and reduced cooling requirements. The convection-cooled, fanless 1U chassis reduces noise and maintenance—perfect for control rooms, retail, educational facilities and life-safety applications. Flexible input routing, robust protection circuits and a universal power supply simplify deployment across multi-site security and monitoring projects.

Whether you're specifying amplifiers for CCTV audio, intercom paging, or multi-zone public address, the Crown CT 475 delivers dependable performance and clear sound. Contact your rep or add the CT 475 to your next security or surveillance installation specification.

• High-efficiency DriveCore design (>90%) reduces power draw and heat for lower operating costs and longer service life
• Four independent 75W channels (300W total) enable flexible multi-zone audio for surveillance, paging and background music
• Convection-cooled, fanless 1U chassis delivers silent, reliable operation ideal for life-safety and security installations
• Integrated protection and universal power handling ensure uptime and simplified deployment across sites and voltages
• Low distortion (0.05% THD) and stable performance into 2–16 Ω for clear voice annunciation and accurate monitoring