34:40

DIY MultiMedia Bluetooth Speaker 4.1ch | Arduino VU Meter | Acrylic

22:24

PANG MALUPIT NA SOUNDTRIP AT VIDEOKE | DIY BLUETOOTH SPEAKER FULL TUTORIAL

17:35

How To Make A Speaker Box With Plywood || Dj Box

20:21

MINI AMPLIFIER BOARD | HOW TO CONNECT | HOW TO SETUP

25:20

Review 120W Quick 3.0 charge macaron Adapter 6A liquid silicone fast charge for Android type c char

29:16

DIY Bluetooth Speaker (200w 2.1 system)

21:49

Building a Luggable PC

15:12

Hi-End Floor Standing Speaker Production Process / 落地揚聲器製作過程 (音響製造) - Taiwan Speaker Factory