Restoration and upgrade subwoofer 1500W // The ultimate active subwoofer design
29:54
The Box is Built! 2 33" Subs for the home system (First of 2) assembled & ready to BASS 🔊🔊
25:46
MR.ELECTRICITY PROJECT RESTORATION // Ground super subwoofer restoration
27:13
Restoration 1200-W active studio subwoofer // Long abandoned subwoofer restore
28:12
Restoration Technics SU V6 Vintage Amplifier // Restore TECHNICS V6 Amplifier Everything in Detail
1:57:20
loa jbl bát 30 cách làm và hoàn thiên/ jbl bowl speaker 30 ways to make and complete
15:28
MASS PRODUCTION of LOUDSPEAKERS. Process of producing LOUDSPEAKERS in Vietnam.
33:10
Restoration intergrated amplifier HARMAN/KARDON
27:10