By decreasing the gain a tad (say 75% as opposed to 100%), you will barely even notice a difference in sound. In fact, you will be pushing the amp less, which will not only reduce the heat (and protection systems engaging), but the sound level difference will be minimal. I won't get into the electrical/acoustics info unless you want me to go on about how the whole system works...just take my word on it. I'm a sound/acoustical engineer.