Disposal prices have been reduced. Member discounts are not applicable. 2022/7/10 sales price 4,000 yen. BOSE 301MM Ceiling Mount Bracket I checked the installation, but the specifications seem to be slightly different from the original (Murakoshi Yoichi)
Accessories: mounting screws
Main specifications: Mounting bracket, inner size, 234 x 150 mm, mounting screw position (diagonal), 80 x 80 mm, external dimensions 243 x 350 x 150 mm, 1.35 mm