![Customer Reviews: Alpine KTP-445U Power Pack Compact 4-channel car amplifier — 45 watts RMS X 4 at Crutchfield Customer Reviews: Alpine KTP-445U Power Pack Compact 4-channel car amplifier — 45 watts RMS X 4 at Crutchfield](https://images.crutchfieldonline.com/ImageHandler/trim/620/378/products/2012/4/500/g500KTP445U-F.jpeg)
Customer Reviews: Alpine KTP-445U Power Pack Compact 4-channel car amplifier — 45 watts RMS X 4 at Crutchfield
![I know how to set the gain but does anyone know how to set the x-over frequency to its peak? (Kicker 1200.1 amp) Running: 2 12” kicker CompR with (According) 35.6 Hz I know how to set the gain but does anyone know how to set the x-over frequency to its peak? (Kicker 1200.1 amp) Running: 2 12” kicker CompR with (According) 35.6 Hz](https://preview.redd.it/ddh4z12oesl81.jpg?auto=webp&s=c40fedf2ca86528a663f4bd798aaeffeaa068fee)
I know how to set the gain but does anyone know how to set the x-over frequency to its peak? (Kicker 1200.1 amp) Running: 2 12” kicker CompR with (According) 35.6 Hz
![Amazon.com: Planet Audio AC3000.1D Anarchy Series Car Audio Amplifier - 3000 High Output, Class D, Monoblock, 1 Ohm, Low Level Inputs, Low Pass Crossover, Mosfet Power Supply, Hook Up To Stereo and Amazon.com: Planet Audio AC3000.1D Anarchy Series Car Audio Amplifier - 3000 High Output, Class D, Monoblock, 1 Ohm, Low Level Inputs, Low Pass Crossover, Mosfet Power Supply, Hook Up To Stereo and](https://m.media-amazon.com/images/I/91thbFiUl7L._AC_UF1000,1000_QL80_.jpg)