Deyou 500W 15 Inch Speakers Professional Audio Active Digital Sound Box Home Audio Party Dj Karaoke

What Does AD2K Value:
1,Experienced Engineering team from name brand OEM factory, so we know how to avoid mistake and save time
2, Simple design to have most SMT technology ensure reliability ,goal zero defect
3,International safety standard and EMC(Electro?Magnetic?Compatibility)based to guarantee the quality stability from the beginning
4,Meticulous sample test back and forth to make slight adjustments for achieve perfect level, initial sample 7 days strait test, a comparation chart before and after all specifications shows it meets our level 1 challenge
5,Variable frequency power sources to make ensure our module will work safety globally from 90V-132V&200V-264V(measured at plus-minus tolerance 10% from Japan 100V and Australia 240V)
6,Working temperature monitoring test at universal power supply, plus room temperature 28c, overall temperature is 44c ,which we do not feel heat with hand touch
7,Level 2 challenge: A bunch of 20 unit sample production based on all the improvements after level 1 , will go on same procedure to see results
8,Compact and light weight for most portability application