The CMX DA-4120 is a professional 4-channel Class-D power amplifier engineered to deliver efficient, powerful, and crystal-clear audio for commercial public address and sound reinforcement systems. With 4 × 120W RMS output, it supports both 100V line and 8 Ohm speaker systems, making it an ideal solution for multi-zone commercial audio installations.

Built with advanced Class-D amplifier technology, the DA-4120 offers exceptional energy efficiency, low heat generation, and reduced power consumption while maintaining high-fidelity, low-distortion sound. Its compact 1U rack-mount chassis enables seamless installation into standard equipment racks, saving valuable rack space.

Featuring four independent amplifier channels, the DA-4120 can power multiple speaker zones simultaneously, making it ideal for schools, offices, hotels, hospitals, shopping malls, conference halls, factories, warehouses, airports, transportation terminals, stadiums, and places of worship where reliable multi-zone audio distribution is essential.

Designed for continuous commercial operation, the DA-4120 incorporates reliable protection circuitry to ensure stable performance and long service life. It is an excellent choice for public address, paging, emergency announcements, and background music applications.

Key Features

• 4-channel Class-D power amplifier
• 4 × 120W RMS output power
• Supports both 100V line and 8 Ohm speaker systems
• High-efficiency Class-D amplifier technology
• Compact 1U rack-mount chassis
• Four independent amplifier channels
• Low heat generation and energy-efficient operation
• Crystal-clear audio with low distortion
• Built-in protection circuitry for reliable performance
• Ideal for multi-zone public address and background music systems
• Easy integration into standard equipment racks
• Suitable for schools, offices, hotels, hospitals, factories, warehouses, and commercial facilities