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40mmx5mm mini speaker 4/8/16/32/64/120 ohm 300hz 1W 4050 4005 mylar cone waterproof speaker annunciator transducer & buzzer high quality alarm buzzer for household electrical appliances,computer,toy,telephone,cell phone,earphone,medical,meter and instrument - Changzhou Esuntech Co Ltd.
| Model No. | EST40N-A |
| Cone Material: | Mylay |
| Edge: | paper |
| Nominal Power: | 0.5w |
| Maximum Power: | 0.8w |
| Impedance: | 4/8/16/32/64/120 ohm±15% |
| Fo: | 300hz |
| Response: | Fo-20kHz |
| S.P.L: | 91±3dB/W/M |
| Magnet | NdFeB |
| Rohs | Yes |
