I have a m1b and 3510g for sale, amp has a few scratches around feet and a scratch on the side see photos. Sub is pretty much prefect except for screw points the rubber has been eaten into a bit. These have been sitting in my closet for the last 3 months, both were used for about a month and half and then stored. m1b:$250+shipping 3510g:$250+shipping Lost camera in house while remodeling, so we have el camera phone shots: