Computer Speaker, Speaker,2.1 Speaker, 1.Output Power:16W 2. ... -20KHz 4.Speaker unit:4"+3"*2 2.1 speaker, computer speaker, multimedia speaker, USB speaker, MP3 speaker, mini speaker, speaker ... : ≥76 dBDimension:Dimension:210*155*215mm153*90*100mm Functions:USB/SD card reader, Remote Control, FM function. Karaoker Function,LED screen, customer ...