"Megaphone" MP3 player
myminifactory
Simple speaker amplifier board connected to horn speaker. The aim was to show off horn audio amplification using various horn shapes. Don't expect high-quality sound but it's fine for making bathroom activities more enjoyable. You can customize your own horn shape and size: http://www.thingiverse.com/thing:1915305. Speaker decoder plays music from a microSD card or from a flash disk. Available inexpensively 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
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