Restoration soundbars SAMSUNG // Restore the music system in the most detailed way
24:00
Restoration Subwoofer 12 inch // Rehabilitate and reuse old subwoofers
21:16
Restoration powerful subwoofer system // Restore the perfect look
28:55
Yamaha Amplifer P5000S Troubleshooting Restoration // Restore and Repair Amplifier Circuit Board
15:12
Hi-End Floor Standing Speaker Production Process / 落地揚聲器製作過程 (音響製造) - Taiwan Speaker Factory
23:52
Restoration sonic holography integrated amplifier // Rehabilitate the best quality sound system
30:07
Repair JBL SUB 230II subwoofer without power / Hải daily life
18:26
How To Build a Portable Bluetooth Speaker (Powerfull boombox using pvc pipe powerbank feature)
20:13