Purchased new two months ago, headphones and box still in as-new condition as I've only listened about twenty hours with them. Non-smoker. Really good open-back headphones. Shipping to CONUS included!

Product Description:
Designed to deliver extraordinary sound quality to satisfy the most discriminating listeners, the ATH-AD900x is ideal for music lovers who prefer the spacious quality of open-back headphones that combine involving sound with long-wearing comfort.

The ATH-AD900x features large 53 mm drivers exclusively designed for the headphones, with rare-earth magnets and Audio-Technica’s copper-clad aluminum-wire (CCAW) voice coil technology for superior audio reproduction with an extremely wide 5 Hz – 35,000 Hz frequency response. The ATH-AD900x offers an immersive listening experience with clear, natural vocal and instrumental reproduction, a smooth tonal balance, precise imaging and superlative dynamic range.

The headphones offer a uniquely comfortable fit thanks to their generously cushioned ear pads, lightweight honeycomb aluminum casing and exclusive 3D Wing Support Housing, which adjusts itself perfectly to each wearer.

Type Open-air Dynamic
Driver Diameter 53 mm
Frequency Response 5 – 35,000 Hz
Maximum Input Power 1,000 mW
Sensitivity 100 dB/mW
Impedance 38 ohms
Weight 265 g
Cable 3.0 m (9.8')
Connector 3.5 mm(1/8") mini stereo, gold-plated
Accessories Included Detachable 1/4" (6.3 mm) adapter

Thanks for your interest!