Sound Baffles DIY - How to Build Your Own Sound Baffles | BoomSpeaker
ISD1806 6S Sound Recorder kit
How To: DIY Sound Treatment - Videomaker
DIY audio gallery - SoundImports
Here's my DIY WIP Olympia sound cart. For a budget build, I'm pretty happy with the results! : LocationSound
Mini Electronic Transparent Speaker Box DIY Kit Sound Amplifier Music Audio 3Wx2 Laptop & Desktop Accessories Computer Speakers
Audio labs top end 4" woofer subwoofer raw speaker driver for DIY home theater speaker sound 4 inch SUBWOOFER SPEAKER|speaker driver|woofer subwooferaudio labs - AliExpress
AOSHIKE 3 Inch Hifi Midrange Sound Speaker Car DSP Audio DIY Speaker 4 8 Ohm 20W 30W 25 Core Music Loudspeaker for Sound System|Coaxial speakers| - AliExpress