I have a ZD3 and two ZA3 in mono paired with Emotiva XB2. ZD3 are connected with XLR cables to the two ZA3. The rca out of the ZD3 is connected to a Polka Signature ES12 sub with a build in LPF. What I would like from the Q8 is to remove the lower frequences of the XB2 speakers. So that each...