Audio-Technica ATH-AD900X - Audiophile Open-Air Headphones

Overview
ATH-AD900X
Audiophile-quality open-air headphones deliver clear, natural vocal and instrumental reproduction, a smooth tonal balance, precise imaging and superlative dynamic range
Large-aperture 53 mm drivers and CCAW voice coils for superior sound reproduction
No sense of pressure on the ears, resulting in a completely natural sensation
3D Wing Support Housing offers a vibration-proof mechanism that provides comfortable support for a better listening experience
Extremely comfortable ear-fitting pads
Gold-plated stereo 1/8" (3.5 mm) connector with 1/4" (6.3 mm) adapter
Features
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.
Specifications
Headphones
Type Open-air dynamic
Driver Diameter 53mm
Frequency Response 5 - 35,000 Hz
Maximum Input Power 1,000 mW
Sensitivity 100dB/mW
Impedance 38 ohms
Weight 265g
Cable 3.0m
Connector 3.5 mm(1/8") mini stereo, gold-plated

What's in the box
1 x Audio-Technica ATH-AD900X Audiophile Open-Air Headphones
1 x Detachable 1/4" Adapter