The 2 channel power amplifiers are designed for commercial and industrial public address applications. With two separate amplifier in a single chassis and rated power of 500W per channel which provides a wide selection to meet different size sound system needs. The amplifier is design of rack mount type and is in 3U height. Both balanced and unbalanced line inputs for each channel make it selectable for installer, balanced line outputs for each channel feed to another power amplifier as well as secure the signal transmission is less noise and longer distance. 70V, 100V and 4-16ohm speaker outputs for each channel are convenient for installation when selection different speaker matching. Master volume controls for each control are included. Complete protection includes over heat, over load, clip & short circuit. Indications for power, signal, clip, protection and temp.