14:21
How to Turn a CD ROM Old & Into a Stereo Music Player / DIY Powerful Bass amplifier
11:31
How to turn Mobile charger into a amplifier , No IC , step by step
22:29
AMAZING IDEA bluetooth audio player with HDD BROKEN
10:01
DIY Powerful Ultra Bass Amplifier 13005 Transistor from Broken Lamp , Simple Circuit , No IC
13:07