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"Megaphone" MP3 player

by mschiller, published

"Megaphone" MP3 player by mschiller Nov 29, 2016
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Thing Statistics

946Views 205Downloads Found in Electronics

Summary

Simple MP3 decoder board connected to horn speaker.
The goal was to demonstrate horn audio amplification using different horn shapes.
Don't expect superior audio quality but it's ok for making bathroom activities more comfortable :-)

You can parametrize your own horn shape and size:
http://www.thingiverse.com/thing:1915305

MP3 decoder can play music from a microSD card or from a flash disk.
Available cheap at eBay:
"TF Card U Disk MP3 Format Decoder Board Audio Decoding Module W/ Amplifier"
http://www.ebay.com/sch/i.html?_odkw=TF+Card+U+Disk+MP3+Format+Decoder+Board+Audio+Decoding+Module+W%2F+Amplifier&_osacat=0&_from=R40&_trksid=p2045573.m570.l1313.TR0.TRC0.H0.TRS0&_nkw=TF+Card+U+Disk+MP3+Format+Decoder+Board+Audio+Decoding+Module+W%2F+Amplifier&_sacat=0

Loudspeaker used:
"1.5" inch 4Ohm 4Ω 3W Full Range Audio Speaker Stereo Woofer Loudspeaker"
http://www.ebay.com/itm/331269348255?_trksid=p2057872.m2749.l2649&ssPageName=STRK%3AMEBIDX%3AIT

Print Settings

Printer:

Easy3DMaker

Rafts:

No

Resolution:

0.25

Infill:

50

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You will go mad then ;-)

I always wanted to make one of these! I want it to have DJ Khaled "another one" on loop. XD

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