Atlantic Technology SHELF-2405 TV Top Speaker Shelf. Once assembled, the Atlantic Technology SHELF-2405 TV Top Speaker Shelf mounts easily on the top of most flat screen tvs with no additional hardware required. It has a small upward front lip to hold the speaker in place and includes rubber bumpers to protect your television. It's compatible with all Atlantic Technology soundbars as well as any soundbar, set-top box, or game console weighing less than 40 pounds. .