Hifiman HE-R9 Dynamic Closed-Back Headphones Version:wired It is becoming more and

It is becoming more and more common these days for earphone manufacturers to purchase driver units from outside sources

1 dB: 18 Hz – 20

Mid: Knowles DFK Balanced Armatures

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In the STANDARD Package:

Hifiman HE-R9 Dynamic Closed-Back Headphones Version:wired It is becoming more andBest sounding Dynamic Drivers High sensitivity thanks to HIFIMAN's use of a rare earth magnet Topology diaphragm for detailed high frequency response to 35kHz Advanced voice coil HIFIMAN Topology Diaphragm The "Topology Diaphragm refers to a diaphragm featuring a special Nano particle coating applied to its surface. The result is a more natural and detailed sound than what is typically achieved in True Wireless earphones. The idea behind the new