* Rack mount amplifier in 2U type * Rated power 240W * 70V, 100V and 4-16ohm speaker outputs * Isolated transformer for human safety operation * Balanced XLR type line input and unbalanced 1/4 inch TRS phone jack line input * Balanced XLR type line output feeds to another power amplifier * Reliable protection of over heat, over load, clip & short circuit * Indications for power, signal, clip, protection and temp * Excellent device of radiator cooling fanner that ensures working effectively * GND/lift switch to have two options: earth line grounded or lifted