EMB Professional Sound System EB631EQ Graphic Equalizer TRS or XLR balanced inputs and outputs differential / Choice of stereo or the sum of the synthesis of left and right channel subwoofer X10 range are two-channel selector switch /	Two channels have 40Hz high pass filter (low cut) All outputs with phase reverse switch /	The output of all bands can be independently adjusted average 24dB/Unkwitz-Riley filters (the professional standard) 	- Stereo / Mono status indication LEO lights, indicating that the mode selection unit