Originally Posted By: JohnK
When using the "+" setting, if anything the tendency is for the combined bass from the M80s and sub to be excessive(assuming that the M80 woofers are working properly), so it's hard to see why the bass output wouldn't be adequate.

maybe he just wants really excessive bass beyond what the M80 and subwoofer together?

"Those who preach the myths of audio are ignorant of truth."