Amazing screen speaker design from plywood - Powerful sound of 15 inch bass speaker
28:14
The whole process of designing 1 pair of 15 inch bass speakers // Maximum power sound
24:51
Restoration active subwoofer system // professional sound systems direct-radiating bass-reflex
22:39
Techniques de récupération d'amplificateurs audio antiques | Restauration des amplificateurs
17:28
Professional event 18 inch subwoofer cabinet _ Powerful subwoofer cabinet design
28:04
Rehabilitation of injured portable speakers - Design help 1 people you
2:03:51
Bigger Engine.
15:49
FABRICACIÓN DE SUBWOOFER AMPLIFICADOS
21:24