Brand: ASHIDAVOX Color: Gray Ear Placement: On-Ear Headphone Type: On-Ear Model Name: ST 9005H Connectivity Technology: Wired ASHIDA ONKYO Co., Ltd., which has been exceeding 80 years since its founding, has been developing high-end headphones that meet the high demands of musicians and engineers. They have developed high-quality headphones for general users, focusing on domestic production. In 1957, they developed the ST-1 as a professional-use headphone, and since then, they have sold various headphones to many studios, broadcasting stations, etc. The "ST-90," which has been loved for a long time, has been commercialized as the "ST-90-05" for music use. They have developed it by utilizing the know-how of designing many high-end headphones, and it is equipped with a high-quality Φ40 driver unit. It features a diaphragm that uses engineering plastic film with high compliance and light weight, and a good tanδ, as well as a powerful magnetic circuit with a theoretical value of 1 Tesla. Even with a small on-ear type headphone, it achieves a thick core and rich sound quality throughout the entire range. Weighing 110g, it is quite light for headphones, making it ideal for mobile use. Furthermore, it has high robustness, which has been proven in "professional use." It follows a timeless retro-modern design. It has a simple structure, but also a headband slide structure that can be adjusted smoothly.