Thingiverse
Portable Speaker Sphere
door ftobler
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A portable, battery powered audio speaker.
it's a sphere width a diameter of 120mm. Inside is a 1500mAh Li-ion battery and a 2x3W stereo PWM amplifier.
This was just a quick project for me, with existing parts, so I can't share a build guide. but if you have questions, feel free to ask.
**Some ebay links:**
[Audio Amplifier][1]
[Lithium Charger][2]
[Speaker][3] (45mm)
[1]: http://www.ebay.com/itm/5pcs-PAM8403-2X3W-Mini-Audio-Class-D-amplifier-board-2-5-5V-input-/171907237052?hash=item28067844bc
[2]: http://www.ebay.com/itm/5pcs-Mini-USB-5V-1A-Lithium-Battery-Charging-Board-Charger-Module-In-4-8V-TP4056-/381374720853?hash=item58cbb46b55
[3]: http://www.ebay.com/itm/2pcs-45MM-4Ohm-4-3W-full-range-Speaker-Loudspeaker-For-DIY-/151740846731?hash=item235475928b
it's a sphere width a diameter of 120mm. Inside is a 1500mAh Li-ion battery and a 2x3W stereo PWM amplifier.
This was just a quick project for me, with existing parts, so I can't share a build guide. but if you have questions, feel free to ask.
**Some ebay links:**
[Audio Amplifier][1]
[Lithium Charger][2]
[Speaker][3] (45mm)
[1]: http://www.ebay.com/itm/5pcs-PAM8403-2X3W-Mini-Audio-Class-D-amplifier-board-2-5-5V-input-/171907237052?hash=item28067844bc
[2]: http://www.ebay.com/itm/5pcs-Mini-USB-5V-1A-Lithium-Battery-Charging-Board-Charger-Module-In-4-8V-TP4056-/381374720853?hash=item58cbb46b55
[3]: http://www.ebay.com/itm/2pcs-45MM-4Ohm-4-3W-full-range-Speaker-Loudspeaker-For-DIY-/151740846731?hash=item235475928b
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