TOA P-2240 CE-AU is a high-fidelity power amplifier well-suited for broadcasting paging or background music in schools, offices, shops, factories, mosques, churches, and large rooms. With two balanced parallel inputs, one speaker line input, and speaker output of constant voltage distribution system (70V or 100V) and low impedance (4Ω), this amplifier can be easily integrated into various sound systems. The semi-fixed master volume control and independent speaker line input volume control allow for precise adjustment of audio levels.