We also sell on sites other than Mercari and our own website, so please refrain from immediate purchase and confirm availability via comments. Introducing the unit-type soundproof room specialist, Tokyo Sound Box. This is our original soundproof room, "SOUND BOX" 1.5 tatami mats / -40db. This product is a model room that has been manufactured and used, so while maintaining performance equivalent to new, you can purchase it at a price lower than the new price. Reference new price: ¥1,428,000 (tax included) It achieves high soundproofing performance while saving space, making it a soundproof room that can be used with confidence for serious applications such as DTM, musical instrument practice, streaming, narration recording, and working from home. [Included Accessories] ・LED lighting ・Flooring ・Ventilation fan [Size] External dimensions: 1,877mm × 1,444mm × 2,085mm (width × depth × height) Internal dimensions: 1,731mm × 1,299mm × 1,943mm [Soundproofing Performance & Weight] -40db / 499kg [Delivery & Installation] ・Basic installation and shipping fee (Tokyo 23 wards and surrounding areas): ¥68,000 (tax included) ・Additional fees apply for areas outside of eastern Shizuoka Prefecture to the Tokyo 23 wards, stair work, air conditioner work, and piano/desk carrying work. ・The position of the door and ventilation fan can be adjusted during installation. We will propose the optimal layout according to the installation environment. [Condition] The model room is generally in a clean condition. *It has been assembled once and used for verification and experimental purposes of our soundproof products. [For those considering purchase and installation] Since costs and work content vary depending on the installation conditions, we recommend consulting with us in advance via our official website or official LINE. (Due to regulations, URLs cannot be posted, so please search for "Tokyo Sound Box") [Please let us know when contacting us] 1. Your installation address 2. Floor number and the presence of an elevator 3. Whether air conditioner work, piano/desk carrying work is required As a soundproof room specialist, we provide consistent support from pre-purchase consultation to post-installation. Thank you for your consideration. Tokyo Sound Box Co., Ltd. Representative: Fumiya Sato **We update Instagram, note, and YouTube! Please take a look.