Power amp for pa system / pa amplifier system is Power Amplifier without DC Input BXLR socket and 6.3mm jack for additional mixer or amplifier link. Both balanced and unbalanced line inputs are available for each channel. 70V, 100V and 200V outputs for each channel are convenient when installation and can be matched with different speakers. Individual volume and tone control function for each channel are ensured. Complete protection from over heat, over load, clip & short circuit, which is the best pa power amp with indications for power, signal, clip, protection and Temp.