A TRS or XLR difference balance input and output
A super low tone that can be synthesized by adding stereo or the left and right channels
Both channels have an x10 range selector switch
Both channels have 40Hz high pass filter (base frequency removal)
All the output has a phase reversal switch
Therefore, the output of the frequency band can be adjusted independently
24dB/oct links-riley filter (professional standard)
The stereo/mono state indicates the LED lamp, indicating the mode of work selected by the unit