1.Drive unit:2''x2 2.Output power:2x3W 3.Hifi mini digital speaker 4.SNR:75dD Mini Digital Speaker Portable,2.0 USB Powered Speaker We produce kinds of mini speaker, portable speaker, usb speaker, 2.0 speaker, computer speaker, laptop speaker, mp3 speaker, multimedia digital speaker, etc. Parameters:Technology Details1.Output power:2×3W 2.SNR:>75dB 3.Frequency response:90HZ~18KHZ 4.Product sizes: ...