BOX***
BOX***:17.5-20.5kHz
BOX*** :9mm
BOX*** :8m
pagkasensitibo :106dB
impedance :16Oh
BOX*** : BOX***
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BOX*** 6 BOX***
kontaka kanato:
telepono:+86 755 25608673
address:Floor 8,huguang building,Longgang Road, Shenzhen China