F-57
    Publish time 2018-09-29 17:02    
F-57
Speaker size:   10"+tweeter power:100Wx2
Sensitivity:   91dB±3dB
Frequency:     45-20KHz
Impedance:      6ohms
size:           40.7*32.7*37.5*71cm
Function:       USB/SD/FM/Bluetooth