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Driver: φ40mm*2, Neodymium Boron Ferrite Frequency response: 20 - 23000Hz Total harmonic distortion: < 0.2% Dynamic sound pressure: 116dB/mW 3D sound effect Impedance: 32 Ω Built in volume control Built in microphone

 Driver: φ40mm*2, Neodymium Boron Ferrite

Frequency response: 20 - 23000Hz

Total harmonic distortion: < 0.2%

Dynamic sound pressure: 116dB/mW 

3D sound effect

Impedance: 32 Ω

Built in volume control

Built in microphone

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