The CMX PA-4120MX is a professional 4-zone mixer amplifier designed for commercial public address and background music applications. It delivers a powerful 4 × 120W RMS output and provides four independent channel outputs for flexible multi-zone audio distribution.

The amplifier features multiple audio source options including USB, SD card, FM radio, and Bluetooth, allowing convenient playback from various media devices. It also includes 3 microphone inputs and 1 auxiliary input for connecting microphones and external audio sources.

Supporting 100V, 70V, and 8–16 Ohm speaker outputs, the PA-4120MX offers flexible speaker system configuration for different installation requirements. EMC and mute inputs provide additional control for emergency announcements and priority audio applications.

It is suitable for hotels, schools, offices, shopping malls, restaurants, commercial buildings, places of worship, and other multi-zone public address installations.

Key Features

• 4-zone mixer amplifier with 4 × 120W RMS output
• USB, SD card, FM radio, and Bluetooth audio sources
• 3 microphone inputs and 1 auxiliary input
• Four independent channel outputs
• Supports 100V, 70V, and 8–16 Ohm speaker outputs
• EMC input for emergency audio applications
• Mute input for priority audio control
• Suitable for multi-zone public address systems
• Flexible source and microphone mixing
• Designed for commercial background music and PA applications