From: Got my Fi bl but something wrong??

[semrod 2]

The slopes are 24db's on the RF Power amps, but he doesnt need to run the amp, and hu crossover though right. He should just use the crossover on the amp since the slope is already 24 db, and he can turn his gain back up too right to maybe 3/4 of the way. My Kenwood has 4v preouts and I have my gain just up above 1/4 of the way and my sub volume on +9 out of -15 to +15. I know JL slash amps have balanced differential inputs I rarely had to turn the gain up on it to get good output and it sounded alot louder than 500 watts. I miss that amp. bakedboy I'm glad you started to figure it out, now you can let that sub tear your car apart.