It is typically a single capacitor on the back side of the speaker connected to the tweeter leads to filter out the undesirable frequencies.
Better coaxials may have a small crossover network in the speaker wire with a large piece of heatshrink around it with leads for the woofer and tweeter coming out of it.
Or if you're MB Quart, you build Xovers large enough to be the power supply section of most amps //content.invisioncic.com/y282845/emoticons/yumyum.gif.0556df42231b304b9c995aefd13928a8.gif
Or if you're MB Quart, you build Xovers large enough to be the power supply section of most amps //content.invisioncic.com/y282845/emoticons/yumyum.gif.0556df42231b304b9c995aefd13928a8.gif
And oddly no different from the comp sets using the same drivers...//content.invisioncic.com/y282845/emoticons/biggrin.gif.d71a5d36fcbab170f2364c9f2e3946cb.gif