april 13th 2022, dehradun city uttarakhand india. a dismantled speaker with exposed wiring and sub woofer unit driver with a large

speaker woofer wiring dismantles exposed audio broken restoration tweeter sound frequency output hertz cone terminals negative positive solder acoustics music industry engineering wooden box enclosure round india chinese transistors chip semi conductors electrical blue tooth technology studio monitors driver background loudspeaker stereo bass frame black equipment treble volume magnetic transducer closeup watts loud april 13th 2022 dehradun city uttarakhand india dismantled unit large magnet