Make glass spherical speaker
21:37
DIY wooden speaker & homemade LM3886 amplifier
17:43
Create a high-end sound system using toy speakers
14:56
DIY:Glass Bottle Speaker - Jack Daniel's whisky bottle
47:08
Amazing mechanical ideas for circular saws !!
13:36
自作ダブルバスレフスピーカー
15:02
【DIY】 Homemade Wooden Speakers | Sound AMAZING Part.2
14:56
DIY speaker assembly!
12:50