_:nf1b0ca8f82324d73987aeead51bc4dbaxb8
<http://schema.org/description>
"Headphone \r\n\r\n\r\n\tDriver unit: 40mm \r\n\r\n\r\n\tImpedance: 32 ohm +/- 15% \r\n\r\n\r\n\tSensitivity: 155dB +/- 3dB (0 dB=1V/µ bar, at 1KHz) \r\n\r\n\r\n\tFrequency Response: 20Hz~20KHz \r\n\r\n\r\n\t \r\n\r\n\r\n\tMicrophone \r\n\r\n\r\n\tType: Condenser \r\n\r\n\r\n\tDirectivity: Uni-directional \r\n\r\n\r\n\tImpedance: 2K2 ohm +/- 15% \r\n\r\n\r\n\tSensitivity: -65dB +/- 3dB \r\n\r\n\r\n\tFrequency Response: 50Hz~16KHz (0 dB=1V/µ bar, at 1KHz) \r\n\r\n\r\n\t\r\n\r\n\r\n\tWeight: 210 +/- 10g \r\n\r\n\r\n\tColor: Silver"
<https://www.headphones-manufacturers.com/headset-h840mu.html>