Audyssey DEQ Bass Boost @ 5hz/10hz/ 20hz/ 40hz/ 80hz:
VOL -40: 21.8/ 21.0/ 17.8/ 12.9/ 6.4
VOL -30: 16.1/ 15.7/ 13.3/ 09.1/ 4.6
VOL -20: 10.2/ 09.9/ 08.3/ 05.6/ 2.7
VOL -10: 07.2/ 04.7/ 03.9/ 03.0/ 1.5
VOL -00: 00.4/ 00.4/ 00.4/ 00.2/ 0.1
So if my master volume is -20.0, there is a bass boost of +8.3dB @ 20Hz, +5.6dB @ 40Hz, & +2.7dB @ 80Hz.
Well, I do like what I hear.