have you calibrated it with the other speakers, normally 75dB's using the receiver test tones or auto setup. You may be running the sub to hot, meaning you have the gain to high on the sub and/or receiver.


M80s VP180 4xM22ow 4xM3ic EP600 2xEP350
AnthemAVM60 Outlaw7700 EmoA500 Epson5040UB FluanceRT85