Batteryless portable boombox
thingiverse
Save money and the environment by making a portable bluetooth speaker powered by external USB power (power bank, USB port, phone charger). Video: https://youtu.be/7Ic2OQQtlV8 Blog: https://rdphysics.com/2022/03/17/bluetooth-speaker-without-battery/ Peerless 3" full-range at SoundImports: http://ndt5.net/c/?si=14570&li=1627332&wi=355652&ws=YT&dl=en%2Fpeerless-pls-75f25al02-08.html Update: Added BB2 version using Dayton Audio RS100 drivers. Bluetooth receiver/amp: http://ndt5.net/c/?si=14570&li=1627332&wi=355652&ws=YT&dl=en%2Fsure-electronics-aa-ab41136.html 6.5" passive radiator: http://ndt5.net/c/?si=14570&li=1627332&wi=355652&ws=YT&dl=en%2Fdayton-audio-dsa175-pr.html
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