Hi i have a Onkyo TX - SR393 receiver that has two subwoofer outputs one output I have my Bose Acoustimass sub on one output and the other output I have a Energy XL -S10 subwoofer with two Energy connoisseur C-50 tower’s I’ve been trying to set the LP filter on energy sub and having a real tuff time getting the volume and LP filter at good setting has anyone else set this subwoofer up and found a good setting for sub volume and LP filter??