If it is in the lead to the tweeter, it is a filter to keep the lows out of it.
Originally Posted by Raptorsys /forum/post/16877811
Yep, almost certainly part of the crossover network used to seperate out the frequencies so that the bass driver handle the lower freqs and the tweeter the higher freqs.
Originally Posted by Paul Scarpelli /forum/post/16878268
What's really funny is it's probably the ENTIRE crossover; a single cap for a 6 dB/octave highpass filter. It's the cheapest crossover there is, and it doesn't even lowpass the woofer.