4x500 Watt 4 ohm power amplifiers Built-in 500 watts power amplifier (Max)XLR TRS input jacks 16x16 256 program 18 bit Digital reverb Variable digital delay 8 Balanced XLR mic. input 8 Unbalanced line, 2 Gitar TRS jacks imput 10 CH Mp3 / CD (RCA) input Gain control Super musical 3 band EQ at mono channels Additional mono jack for external signal to use the built-in power amplifier and sendin 4 x NL4FC, TRS speacon for speaker connection 3 Band EQ for all master control Master line out TRS jacks Fan cooling Led indicator and Vu-meter