We also sell on sites other than Mercari and our own website, so please refrain from immediate purchase and confirm availability via comments. Tokyo Soundbox, specializing in unit-type soundproof rooms! You can also ask questions directly via the official LINE or phone from our HP. Search for "Tokyo Soundbox" and take a look! Yamaha Avitects Sefine II ev 2 tatami mats, -35db. *The photos are of a different unit of the same model. *This is a purchase after dismantling, so there are no photos of the actual item. ~Model Number~ AMCVB20H ~Size~ Outer dimensions: 1914 (with ventilation fan +170) x 1914 x 2088mm Inner dimensions: 1748 x 1748 x 1921mm ~Soundproofing Performance~ -35db About Delivery and Installation ・In addition to the main unit price, a basic installation fee of 68,000 yen (tax included) will be charged separately. (Additional fees may apply depending on the region for installation, stair work, air conditioner work, and piano/desk carrying.) ・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~ Some adhesive tape residue remains, but overall it is in good condition and can be used for a long time. There are early and late versions of the Sefine II ev series, and this is the late version. The included sound adjustment panels are high-sound absorption panels, and depending on your use, it is a sound space suitable for recording instruments and voices, streaming, and practice. For an accurate estimate of installation costs and those who 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 Soundbox and access our website. 1. Your installation address 2. Floor number and the presence or absence of an elevator 3. Presence or absence of air conditioner work, piano/desk carrying work **About Soundproofing Enhancement and Renewal Options** (株)Tokyo Soundbox offers a variety of soundproofing enhancement and renewal options for soundproof rooms. ・Vibration isolation enhancement of the floor, sound absorption enhancement of the room, soundproofing enhancement of the room's windows ・Replacement of included equipment (carpet, lighting, ventilation fan) with new ones We will propose the optimal options so that you can use the soundproof room with peace of mind and comfort in a new environment.