mp3모듈
http://item.gmarket.co.kr/DetailView/Item.asp?goodscode=770060954&GoodsSale=Y&jaehuid=200001169&NaPm=ct%3Dj9wo8z3k%7Cci%3Dbb333fc1fc2f0339f8879df712d112f32df49663%7Ctr%3Dsls%7Csn%3D24%7Chk%3D083c7af26444277a091186f30fc0cba5545983c5
스피커
http://item.gmarket.co.kr/DetailView/Item.asp?goodscode=778888525&GoodsSale=Y&jaehuid=200001169&NaPm=ct%3Dj9woit9k%7Cci%3D4b6a3f7ed2dd2f98f18668e149fb43daaef6b18c%7Ctr%3Dsls%7Csn%3D24%7Chk%3D95f94be01ba4145e4294f8b0be1c7c485e085f78
