We also sell on sites other than Mercari and our own website, so please refrain from purchasing immediately and confirm availability via comments. Tokyo Sound Box, specializing in unit-type soundproof rooms! **We have various information about soundproof rooms on our website for those who are 고민 about purchasing and installing a soundproof room. You can also ask questions directly via our official LINE or phone from the HP. Please search for "Tokyo Sound Box" and take a look! Our original soundproof room, "SOUND BOX" 2 tatami mats, -40db. *This is a model product, so you can purchase it at a lower price than a new one. *Reference price of the main unit: 1,588,000 yen (tax included) **Accessories** ・LED lighting ・Flooring ・Ventilation fan **Size** ・Outer dimensions: 1,877mm x 1,877mm x 2,085mm (2,285mm) ・Inner dimensions: 1,731mm x 1,731mm x 1,943mm (2,143mm) **Soundproofing Performance & Weight** -40db, 594kg **Delivery & Installation** ・Basic installation and shipping costs (for the Tokyo 23 wards and surrounding areas) are an additional 80,000 yen (tax included). (Installation outside of the eastern part of Shizuoka Prefecture to the Tokyo 23 wards, stair work, air conditioner work, and piano/desk carrying work may incur additional charges) ・The position of the door and ventilation fan can be changed, so we will consider the layout to match your room and install it. **Condition** ・Although it is a model product and generally clean, it has been assembled once and used for verification and experiments of our soundproofing products, so there is a slight feeling of use. For an accurate estimate of installation costs and if you wish to purchase, please contact us via official LINE, message, or comment with the following information. Due to the regulations, we cannot post URLs, so please search for (株)Tokyo Sound Box and access our website. 1. Address of the installation location 2. Floor number and the presence of an elevator 3. Whether or not air conditioner work, piano/desk carrying work is required Thank you for your consideration. Fumiya Sato, Representative of (株)Tokyo Sound Box **We update Instagram, note, and Youtube! Please take a look.