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40mm 32 ohm Headphone Speaker SM40R619-B-F
40mm headphone speaker typically refers to the size of the speaker driver unit used in a pair of headphones. The 40mm measurement refers to the diameter of the speaker driver.
The "40mm 32 ohm Headphone Speaker SM40R619-B-F" appears to be a specific model or specification of a headphone speaker. The information provided suggests that it is a 40mm speaker driver with an impedance (measured in ohms) of 32 ohms.
Part Number: SM40R619-B-F
SPECIFICATIONS：
Dimension (mm) | Φ40.0×7.0H |
Input Power (mW) | 20 |
Max Input Power (mW) | 40 |
Impedance (Ω) | 32 ± 15% at 1kHz |
Sensitivity (S.P.L) | 127.5 ± 2dB(at 800mV,1KHz) with IEC318 Coupler |
Frequency Range (Hz) | 20-20KHz |
Operating Temperature (℃) | -20～+55 |
Storage Temperature (℃) | -20～+60 |
Weight (g) | 11.5 |
DIMENSION:
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