iA4X240 is four channel 4x240 W power installation amplifier for 100V and 8 Ω sound systems. It offers four outputs, a fan-powered cooling system, and rack-mount capability, making it versatile and easy to install in a variety of settings. Built to withstand demanding environments, the amplifier requires minimal maintenance after installation. Ideal for medium to large public address or background music systems. iA 4X120 features a switching power supply with Power Factor Correction (PFC) for improved efficiency and effective four-channel Class D design, ensuring high performance while minimizing energy consumption.