Restoration active subwoofer system // professional sound systems direct-radiating bass-reflex
27:10
Restoration professional sound systems direct-radiating bass-reflex
1:57:20
loa jbl bát 30 cách làm và hoàn thiên/ jbl bowl speaker 30 ways to make and complete
17:44
Amazing Huge Scale! process of Making Plough tool Railway Track with Metal Scrap Asian Steel Factory
33:10
Restoration intergrated amplifier HARMAN/KARDON
26:27
Restoration of old SONY FH-E707CD AMPLIFIER | Restoration and Metal
33:56
Building Exceptional Speaker using Timber panels and Car tires for Satisfy My Passion
22:39
Técnicas antigas de recuperação de amplificadores de áudio | Restaurando Amplificadores
41:33