usb amplifier speaker for desktop 1.Size:70*50*182mm 2.IC:2*8002 or 1*2822 3.50*90 speaker units 4.CE,ROHS certificate 2.0 usb amplifier speakers system for ... *170 mm Founded in 2006, Shinedee Plastics Electronics CO.,LTD mainly manufactures multimedia speakers, including mini speakers, 2.0 speakers,2.1 speakers,card speakers ...