50mm 2” external magnetic loudspeaker 8ohm 5w

50mm, 8ohm speaker, 0.5w, 450hz, paper cone, NdFeB, round shape speaker, metal frame, loudspeaker, ultra thin speaker, internal magnet speaker, communication application, access control system,external magnetic loudspeaker

Product specification 
1.Product name:50mm 8ohm 0.5watt Waterproof Round external magnetic radio loudspeaker driver 
2.Product model No.GJ-5016MM 
3.Size:Diameter 50mm,Height 16mm+-0.3mm 
4.Impedance:8ohm 
5.Power rating:0.5w 
6.FO:450+-20%HZ 
7.SPL:50+-3dB/0.1Watt 0.1Meter.  At 800 ,1000 ,1200 ,1500HZ 
8.Frequency Range:FO~5K HZ 
9.Distortion:3% maximum at 1000HZ.3.0mw. 
10.Abnormal sound test:must be normal tested by 4.9 volts.Sine wave 
11.Operating Temperature:-20 degree to 30 degree 
12.Storage Temperature:-40 degree to 20 degree
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