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.
| Type | Open-air Dynamic |
| Driver Diameter | 53 mm |
| Frequency Response | 5 – 35,000 Hz |
| Maximum Input Power | 1,000 mW |
| Sensitivity | 100 dB/mW |