Rives:
There isn't anything special that needs to be done to have the sub crossover below 40Hz. I'm not quite sure what was the problem in your situation. This isn't an issue that was addressed by a software update. It shouldn't have been a problem. That's strange.
There isn't anything special that needs to be done to have the sub crossover below 40Hz. I'm not quite sure what was the problem in your situation. This isn't an issue that was addressed by a software update. It shouldn't have been a problem. That's strange.