Passive Phone Speaker
17:40
DIY 우든 스피커 만들기/ Wooden Speaker /Smartphone speaker
13:39
Wireless Passive Speaker
9:04
Phone Speaker #2 - Project 22
12:18
Wooden Acoustic Phone Speaker
6:55
DIY - Making a phone speaker amplifier
8:33
Caixa acústica para celular
8:26
SOUNDVERSTÄRKER für Dein Smartphone (YEAH -Rock it!)
4:44