diy small and simple portable amplifier

the amp is from some computer speakers, the box from a laptop charger, the speakers from a laptop, it has 2 lithium ion batteries, the amp works on 7 volts . works rely well, my phone's microphone does not do it justice, the sound quality is very good and it's very loud.
the circuit on the amp is made with a lm386 witch you can find on Google

Category:

Science & Technology

Tags:

• amplifier
• small
• diy
• speaker
• iphone
• amp
• lm386
• audio
• sound
• simple
• system