TOA A-2240 CU is a high-performance mixer power amplifier suitable for broadcasting, paging, or background music in various settings like schools, offices, shops, factories, and large rooms. It features two microphone inputs, one TEL input, two AUX inputs, and one recording output, providing versatile connectivity options. The muting function with adjustable sensitivity and fixed mute depth (-30dB) allows for easy control of audio signals. MIC 1 input includes phantom power for condenser microphones, and the TEL input is transformer-balanced for enhanced signal quality.