... design Imported amplifier chip Black Coating Bookshelf Active 2.0 Computer Speaker System(CR6502) computer speaker:2.0 speaker,speaker system,speaker box,2.0 speaker box,speakerFeatures:15mm medium and high density ... .25" cellulose paper cone speaker which efficiently enhance dynamics and finenessImported LM1875 amplifier chip, mature and stableTailored professional frequency divider, warm, heavy ...