Hifiman HE-R9 Dynamic Closed-Back Headphones Version:wired These driver's sound axes are

These driver's sound axes are formed in an ideal arrangement that is aligned straight

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

Eight BA Driver Each Side:

Headphone features and colors

The SRM-D10 is the world's first compact electrostatic amp/DAC

Hifiman HE-R9 Dynamic Closed-Back Headphones Version:wired These driver's sound axes areBest 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