This is a used AUDIO-TECHNICA ATH-AD900X open-back headphones. The main unit is in very good condition, with no noticeable scratches or stains, and overall maintains a beautiful condition. Sound output has been confirmed, and it is operating normally without any issues such as left/right balance problems or unusual noises, so please rest assured. The included accessories are all shown in the photos, so please check them before considering a purchase. This model, the ATH-AD900X, is a particularly popular model among the company's open-back headphones, and its appeal lies in its expansive, natural soundstage and delicate sound reproduction. It is especially known for its clear resolution in the mid-high frequencies and its lightweight fit, making it comfortable for long listening sessions. It is recommended for those who want to listen carefully to classical music, jazz, and vocal tracks. This is a great pair of headphones to experience the appeal of open-back headphones. We look forward to your purchase if you understand that this is a used item. Thank you. ATH-AD900X Brand: Audio-Technica Air Dynamic Structure: Open-back Wearing style: Both ears, integrated left and right Earphone/Headphone type: Headband type Color: Black系 (Black-based) Low-frequency response (Hz): 5.0 Hz High-frequency response (kHz): 35.0 kHz Wireless/Wired connection: Wired connection Driving method: Dynamic type Plug shape: Standard plug/Mini plug Impedance (Ω): 38.0 Ω Sound pressure sensitivity (db): 100.0 db Cord length (m): 3.0 m Weight (g): 265.0 g ================= ・Returns and cancellations are not accepted. ・Bulk purchases, dedicated listings, and various event support are possible (category changes, relisting, etc.) ・If you purchase with other items, we will discount the shipping cost. Please comment if you wish. ・We are also listing on other platforms, so we may delete the item without notice if it sells out. ・Please refrain from purchasing if you are sensitive to used items. #AudioTechnica #ATHAD900X #AD900X #Headphones #OpenBack #HighQualitySound #MusicAppreciation #ConnectWithMusicLovers #BeautifulItem #ClassicalMusic #Vocals