Austrian Audio Hi-X65 Professional Open-Back Over-Ear Headphones

Austrian Audio created the new Hi-X65 open-back headphones with mixing and mastering in mind. They're built to satisfy the need for close, precise listening at these critical stages of the audio production process.
The same qualities that make them great for professional audio production also make them perfect for audiophiles who appreciate hearing every shade of nuance in the music they love.
Features:

High Excursion Driver Technology
All Metal hinges and bow for maximum durability
2 Detachable Cables
Foldable Construction
Furnished with a 3.5mm (1/8 inch) to 6.3mm (1/4 inch) Adapter
Soft Slow retention memory of foam earpads

Specifications:

Frequency range: 5 Hz - 28 kHz
Sensitivity: 110 dBspl/V
THD (@ 1kHz): < 0.1%
Impedance: 25 ?
Input Power: 150 mW
2 cables (detachable): 3 m + 1.2 m
Connector: 3.5 mm (1/8")
Adapter (included): 3.5 mm to 6.3 mm (1/8" to 1/4")

What's in the box
1 x Hi -X65 Headphones
1 x HXC3 3 m Cable
1 x HXC1m 2 1.2 m Cable
1 x HXA 6.3mm Adapter
1 x HXB Bag