78mm 3”multimedia Loudspeaker 8ohm 3w
78mm, 8ohm speaker, 3w, 420hz, paper cone, edge speaker, ferrite, square shape speaker, metal frame, loud speaker, multimedia speaker, external magnet speaker, communication application, access control system
78mm 3”multimedia Loudspeaker 8ohm 3w Description
| Product specification | |||
| 78mm 8ohm 3watt Waterproof Square multimedia Loudspeaker driver | |||
| 1.Product name: | |||
| 2.Product model No. | GJ-7821MM | ||
| 3.Size: | Diameter 78mm, Height 20mm+-0.3mm | ||
| 4.Impedance: | 8ohm | ||
| 5.Power rating: | 3-3.5w | ||
| 6.FO: | 430+-20%HZ | ||
| 7.SPL: | 103+-3dB/0.1Watt 10Meter. At 800 ,1000 ,1200 ,1500HZ | ||
| 8.Frequency Range: | 200~5KHZ | ||
| 9.Distortion: | 3% maximum at 1000HZ.3.0mw. | ||
| 10.Abnormal sound test: | must be normal tested by 4.89 volts.Sine wave | ||
| 11.Operating Temperature: | -25 degree to 50 degree | ||
| 12.Storage Temperature: | -25 degree to 60 degree | ||
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