Hifiman HE-R9 Dynamic Closed-Back Headphones (Open Box) Version:wireless we continue to work constantly

we continue to work constantly on further developing our CD mechanisms: this is the only way we can maintain a position where we can give our customers the unrestricted freedom to select their preferred music sources

Input: A2DC connector jack

Standby (ECO) < 0

A major technology advancement is the “MILER-3” (Multi-Layer-Elect-Rords) - a four-layer fixed electrode combining mesh electrodes and conventional etching electrodes that are crimped by thermal diffusion bonding

It’s highly recommended by iFi

Hifiman HE-R9 Dynamic Closed-Back Headphones (Open Box) Version:wireless we continue to work constantlyBest 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