3 inch subwoofer speaker box, in this video is a schematic and tutorial on how to assemble a 3 inch subwoofer speaker box using a passive bass radiator as a replacement for the vent in the speaker box
Nah ini konsep yang dulu saya terapkan akhirnya dibahas di Channel ini😂,saran dinding speaker di mundurin sedikit supaya respon nada low sub nya lebih dapet