Look in your user manual for how you "INSERT" an EQ at an input. The 1/4 inch TRS jacks on the back, lower row labeled "Insert" is where you use a TRS cable to aan EQ that has TRS INSERT jack. If your EQ doesn't have this, then you will need to find or make a "splitter" cable. The tip of the cable is the send to the EQ and the sleeve is the return signal after EQ.
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Look in your user manual for how you "INSERT" an EQ at an input. The 1/4 inch TRS jacks on the back, lower row labeled "Insert" is where you use a TRS cable to aan EQ that has TRS INSERT jack. If your EQ doesn't have this, then you will need to find or make a "splitter" cable. The tip of the cable is the send to the EQ and the sleeve is the return signal after EQ.