35:36

Restore 2x1000 watt power amplifier // Professional power amplifier restoration

30:21

Restoration 3-way speaker bass 18 inch

38:10

Restoration The 1200W Huge Power Subwoofer // Powerful And Professional Speaker Box Design

2:09:31

Technology Make The World's Biggest Speaker With Bass 100 - Make Speakers From Broken Refrigerators

1:57:20

loa jbl bát 30 cách làm và hoàn thiên/ jbl bowl speaker 30 ways to make and complete

45:11

Restoration Giant Powerful Bass Subwoofer // Restore Damaged Extremely High Capacity Subwoofer

28:33

Restoration active speaker 15 inch // Recreate a whole new life for music

33:56

Building Exceptional Speaker using Timber panels and Car tires for Satisfy My Passion