This is the audio-technica ATH-AD1000, a legendary model from Audio-Technica. This classic model is known for its natural, spacious soundstage unique to open-back headphones and its high-resolution sound, receiving high praise, especially for vocals and string instruments. 《Product Features》 Equipped with an air dynamic structure and a φ53mm driver, it achieves a wide frequency range of 5-30,000Hz. The high frequencies are crisp and extended, while the low frequencies are restrained but well-defined, resulting in a monitor-like sound quality with excellent overall balance. It is popular as a renowned open-back headphone, alongside models like the AKG K701. 《Wearing Comfort and Specifications》 The 3D Wing Support provides a comfortable fit with a light weight of approximately 265g, making it suitable for long listening sessions. The ear pads are made of a soft, suede-like (velour-like) fabric material. ※ Although the Amazon listing mentions "Exceene," the actual material is a breathable fabric. Impedance: 40Ω, φ6.3mm standard plug (compatible with φ3.5mm adapter). 《Specifications》 Model: ATH-AD1000 Connection Type: Wired Type: Open-air dynamic Frequency Response: 5-30,000Hz Weight: Approximately 265g We have confirmed that it functions properly within the scope of basic operations. The product contents include everything shown in the photos. ※ The price will be gradually reduced. ※ Please check the photos for signs of use, as this is a used item. The seller has not used the item and cannot answer questions about usage frequency or purchase date. ※ The colors in the photos have not been edited, but the actual colors may differ from the photos due to lighting and monitor environment. ※ We will carefully package and ship via Mercari delivery (shipping included, anonymous delivery, trackable). ※ Immediate purchase without contact is welcome. Thoroughly cleaned with alcohol. Recommended for those who understand that this is a used item. No pets or smokers. We have other items for sale as we organize our home → #ishichan 【Management Number: No. 0829】 (For personal management) #audiotechnica #ATHAD1000 #オーディオテクニカ #開放型ヘッドホン #有線ヘッドホン #ヘッドホン #名機 #ハイファイ #オーディオ