Specification WSP186099ALA50CN
Nominal Dia. 460(18)mm
Sensitivity 1W/1M 98dB/W/M
Magnet Weight 3.6Kg
Frequency Range 27-1000Hz
Voice Coil Dia. 99.2mm
D.C Resistance 5.8ohm
Resonance Frequency 27.6319Hz
Total Q Factor 0.35
Electrical Q Factor 0.4
Mechanical Q Factor 2.6
Equivalent Acoustic Compliance 687Liters
Piston Area 0.1288m2
Volume Displacement 579.6ccm
Linear Displacement 4.5mm
Reference Efficiency 3.43Percent
Efficiency Bandwidth Product 124Hz
Mmd 85.72g
Mms 111.89g
Compliance 0.2965mm/N
BL 19.0823N/A

We have the perfectly QC method.From product  AQL QC to  LOADING SUPERVISING RECORD .Can provide the report to the customers.My job is :  To make customer confortable in  product quality, delivery