Restoration project of old subwoofer | how to repair bluetooth speaker amplifier board
26:38
Restoration home audio system // Restore high capacity sound system
20:47
PIONEER SM-1800II STEREO POWER AMPLIFIER Maintenance Repair Restoration
26:27
Diy homemade party box bluetooth speaker | how to make jbl party box 310
23:28
DIY - 10''inch Subwoofer Box | 2000W Subwoofer
43:06
Restoration 2-Channel Power Stereo Amplifier - Restore And Upgrade Old Broken Professional Amplifier
27:26
Construindo alto-falantes de 2,5 vias de alto desempenho com driver de compressão e corneta - por...
12:58
Upgrade Sony CFS-1037k Cassette with Bluetooth Adapter 4.0 | Restoration TV
27:19