Crossovers: How They Work and How to Choose Them - Audiofrog
Car Audio Basics
Is this a good crossover slope for my subwoofers ? : r/CarAV
Crossover Design and Theory – Aperion Audio
GlassWolf's Pages
3-Way Electronic Crossover Network w/ Remote Subwoofer Control - Walmart.com
DSP 101: The Importance of Crossover Adjustments
Amazon.com: Pyle 3-Way Electronic Audio Crossover-Network Hi-Pass And Low-Pass Channel 12dB Octave Slope Power LED Indicator W/Remote Subwoofer Control And Parallel Input Switch : Electronics
What Is A Good Crossover Frequency To Use For Home Or Car Audio? - Sound Certified