Bose equalizers are really meant to match the various versions of the 901 loudspeaker. Yes, the bass boost is extreme and can easily overdrive other loudspeakers. A quick word about using an equalizer. If your loudspeaker is seriously deficient at a particular frequency boosting that frequency large amounts can cause damage. It's best to think about equalizers as limiters rather than boosters. Trim the other frequencies until you get the curve you are trying to achieve.
