Diy Portable Aux Speaker
by EDISON SCIENCE CORNER in Circuits > Speakers
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Diy Portable Aux Speaker
![DIY PORTABLE AMPLIFIER | എങ്ങനെ എളുപ്പത്തിൽ amplifier നിർമിക്കാം |PAM 8403](/proxy/?url=https://content.instructables.com/FA9/P7CX/K9R3QKID/FA9P7CXK9R3QKID.jpg&filename=DIY PORTABLE AMPLIFIER | എങ്ങനെ എളുപ്പത്തിൽ amplifier നിർമിക്കാം |PAM 8403)
![IMG_20200502_165245-01.jpeg](/proxy/?url=https://content.instructables.com/FOH/7A7L/K9N95FKK/FOH7A7LK9N95FKK.jpg&filename=IMG_20200502_165245-01.jpeg)
![IMG_20200502_165133-01.jpeg](/proxy/?url=https://content.instructables.com/FU0/7UTK/K9N95FK0/FU07UTKK9N95FK0.jpg&filename=IMG_20200502_165133-01.jpeg)
![IMG_20200502_165114-01.jpeg](/proxy/?url=https://content.instructables.com/FEN/AMZI/K9N95FJA/FENAMZIK9N95FJA.jpg&filename=IMG_20200502_165114-01.jpeg)
in this, I am going to show you how to make a portable rechargeable aux speaker
Things Needed
![IMG_20200501_152602-01.jpeg](/proxy/?url=https://content.instructables.com/FLY/NVX2/K9N95FAK/FLYNVX2K9N95FAK.jpg&filename=IMG_20200501_152602-01.jpeg)
Features of Pam8403
![pam8403-module-super-board-2-3w-class-d-digital-amplifier-sound-original-imafay4zvnydga3m-01.jpeg](/proxy/?url=https://content.instructables.com/FA3/4YDS/K9N95FKW/FA34YDSK9N95FKW.jpg&filename=pam8403-module-super-board-2-3w-class-d-digital-amplifier-sound-original-imafay4zvnydga3m-01.jpeg)
- Dual-channel stereo output
- 3 w + 3 w power Class D
- Works with 2.5V-5v power supply
- High amplification efficiency 85%
- can directly drive 4 Ω/8 Ω small speakers
- Good sound quality & no noise
- Can use computer USB power supply directly
- Small Size, 1.85 x 2.11 cm
Circuit Diagram
![use.jpg](/proxy/?url=https://content.instructables.com/FW8/MG27/K9N95G9U/FW8MG27K9N95G9U.jpg&filename=use.jpg)
Connections
![IMG_20200501_154445-01.jpeg](/proxy/?url=https://content.instructables.com/FR1/PTXQ/K9N95FCW/FR1PTXQK9N95FCW.jpg&filename=IMG_20200501_154445-01.jpeg)
connect aux to input
connect speakers to outputs
connect the battery to supply pins
connect charger module parallel with the battery
watch the making video
Case Making
![IMG_20200502_144534-01.jpeg](/proxy/?url=https://content.instructables.com/FH5/W5K0/K9N95FEA/FH5W5K0K9N95FEA.jpg&filename=IMG_20200502_144534-01.jpeg)
![IMG_20200502_144402-01.jpeg](/proxy/?url=https://content.instructables.com/FX9/YTJ8/K9N95FDP/FX9YTJ8K9N95FDP.jpg&filename=IMG_20200502_144402-01.jpeg)
![IMG_20200502_144440-01.jpeg](/proxy/?url=https://content.instructables.com/FAY/ZTDR/K9N95FDT/FAYZTDRK9N95FDT.jpg&filename=IMG_20200502_144440-01.jpeg)
![IMG_20200502_152638-01.jpeg](/proxy/?url=https://content.instructables.com/FLR/QQ9T/K9N95FEM/FLRQQ9TK9N95FEM.jpg&filename=IMG_20200502_152638-01.jpeg)
I used 5 mm multi wood you can use the same or you can 3d print
Happy Making
![IMG_20200502_165133-01.jpeg](/proxy/?url=https://content.instructables.com/FU0/7UTK/K9N95FK0/FU07UTKK9N95FK0.jpg&filename=IMG_20200502_165133-01.jpeg)
watch the video for full details
if you have any doubts please comment it below