You first should tag for us the main things that surrounds or carries the sound then carry out a test on each one of them using your multimeter proving to us that they are fully functioning well... until we find the one that is not functioning correctly.. so you replace it and we're done. But this your method could confuse many especially to the new comers of this project.
Yangu ni zile Sayona za kitambo pia. Nikiongeza volume speakers zinaacha kuimba inabaki base. But nikipiga woofer kofi zinaanza kuimba tena. Shida inaweza kuwa gani?