Two-Way Crossover The two-way crossover from a Wharfedale DX-1 Satellite, shown attached to the speaker's jack plate. Brent Butterworth
Our good friends over at Sound + Vision just posted a great little explainer on crossovers, "the part of a loudspeaker that people least understand." (They're kind of like filters that send different parts of the input audio to different parts of the speaker.) It's a great way to actually figure out what's going on inside your boom-cubes (the preferred audiophile term for speakers, we assume). Read more over at S+V.