EP520

EP520

Earphone

Independent PTT communication button, which meets the needs of various usage scenarios.
Slanting ear-wearing structure, designed according to ergonomics, providing a secure and stable fit.
Comfortable to wear for extended periods without pain or falling off, ensuring all-day comfort.
High-quality speaker with noise reduction design, delivering better call quality.
Interference-resistant and anti-static microphone, ensuring clear voice transmission in harsh environments.
Keeps your ears away from audio radiation, promoting healthier ear health.

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Specifications for the earphone	Wire length	810mm+370mm
Speaker size	Φ14.8×4.4MM
Impedance	32 Ohm±15% (At 1.0KHZ/1.0V)
Rated input power	0.3W
Maximum input power	0.5W
Sensitivity	117±3dB (0.001W, 1.5 CM At1.0KHZ)
Frequency response	F0～10KHZ (Average SPL-10dB)
Distortion rate	5%Max (At 1KHZ/1.0W)
Specifications for the microphone	Type and size	Condenser microphone size：Φ6*5mm
Output impedance	2.2KΩ±10%
Sensitivity	-40±2dB
Frequency range	50Hz~10KHz
Directivity characteristic	Omnidirectional
Operating voltage	Standard voltage: 2V Maximum voltage: 10V
Signal-to-noise ratio	More than 58dB

Specifications for the earphone

Wire length

810mm+370mm

Speaker size

Φ14.8×4.4MM

Impedance

32 Ohm±15% (At 1.0KHZ/1.0V)

Rated input power

0.3W

Maximum input power

0.5W

Sensitivity

117±3dB (0.001W, 1.5 CM At1.0KHZ)

Frequency response

F0～10KHZ (Average SPL-10dB)

Distortion rate

5%Max (At 1KHZ/1.0W)

Specifications for the microphone

Type and size

Condenser microphone size：Φ6*5mm

Output impedance

2.2KΩ±10%

Sensitivity

-40±2dB

Frequency range

50Hz~10KHz

Directivity characteristic

Omnidirectional

Operating voltage

Standard voltage: 2V Maximum voltage: 10V

Signal-to-noise ratio

More than 58dB

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