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
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in this, I am going to show you how to make a portable rechargeable aux speaker

Things Needed

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Features of Pam8403

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  • 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

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Connections

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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

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I used 5 mm multi wood you can use the same or you can 3d print

Happy Making

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watch the video for full details

if you have any doubts please comment it below