A trusted model recognized by audio professionals! The SONY MDR-CD900ST is a monitor headphone beloved in studios and broadcasting environments. With its overwhelming resolution and original sound reproduction, your home music experience will be elevated. ☑ Clear highs and tight bass ☑ Studio-spec monitor design allows you to check every detail of the sound ☑ Lightweight body that is comfortable even for long hours of use ■ In relatively good condition, but there is some aging (cracks and scratches) on the ear pads and headband. Please check the photos. ■ Recommended for those who want to easily build a full-fledged audio environment for DTM, mixing, video editing, etc.! ■ Important Notes ・This is a used item. There is some wear and tear due to use and age. ・Please check the condition of the ear pads in the photos. ・Operation has been confirmed. There are no problems with the sound. ■ Shipping We will carefully pack and ship within 1-2 days. Please feel free to purchase even if you are in a hurry. Instant purchase is welcome.