Product Name | Mobile Phone 16mm 0.5W 6ohm Speaker |
Type | Dynamic speaker |
Rated Voltage(square wave) | 0.5W / 0.7W |
Sensitivity(S.P.L.) | 91dB ±3dB at 0.5w/ 0.1m / 0.5.0.6.0.8.1.0×100Hz average |
Operating Temperature | - 30℃ ~ +65℃ |
Storage Temperature | - 40℃ ~ +65℃ |
Resonance Frequency | 1200±20% Hz at 1.0V Sine wave |
Impedance | 6Ω±20% at 1 KHz 2.0Vms Sine Wave |
Results of after test | After any following tests the response at 1 KHz shall not deviate more than 3 dB from the initial value |
Appearance | Should not exist any obstacle to be harmful to normal operation : Damages \ cracks \ rusts and distortions etc. |
Polarity | When positive voltage is applied to the terminal marked (+), diaphragm should move to the front. |
Load test | Input power: 0.8 W ,white noise 48 hours |
High temperature durability | Temperature: +85℃±3℃ Duration: 48 hours. |
Low temperature durability | Temperature: -40℃±3℃ Duration: 48 hours. |
Humidity durability | Temperature: +40℃±2℃ Relative Humidity: 90%~95% Duration: 48 hours (recovery 6 hours) |
Vibration durability | Frequency: 10-55Hz. Amplitude: 1.5mm Duration: 2 hours in each 3axes |
Drop test | Height: 1.0M Cycle: 10cycles |
Packing strength | As per packing condition, from height of 1 meter, the unit is to be dropped 1 time each in three planes on concrete floor. |