Considered by many to be the world's finest headphone, without regard to price, the HiFiMAN HE-6 features the company's proprietary planar magnetic technology in a no-compromise design. With sensitivity of 83.5dB, the HE-6 must be paired with a headphone amplifier of comparable quality. The HE-6 is the reference choice of critical listeners around the world.
HE-6 requires a powerful headphone amplifier to drive it.
Frequency Response: 8 to 65 KHz
Impedance: 50 Ohm
Efficiency: 83.5 DB
Weight: 502 g
Leather storage box
OCC(single crystal copper) 4pin XLR cable *1 (2 m / 6 ft)
OCC XLR to 6.5mm headphone plug adapter *1 (1m / 3 ft)
Headphone cable connector *2
Leather earpads(on the headphone),
Velour earpads for backup