Quantity   Component name
1 × Rauland schoolroom speaker Salvaged from my old elementary school
1 × USB Bluetooth audio receiver http://www.amazon.com/gp/product/B00GZGQBTM/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
1 × Audio amplifier board http://www.amazon.com/gp/product/B00C4N410G/ref=oh_aui_detailpage_o00_s00?ie=UTF8&psc=1
1 × Wood putty
1 × Acryllic paint