Home Slickdeals MartinLogan Motion Series Speakers – Floor Standing (20i) $599, Bookshelf (15i) $299,... Slickdeals MartinLogan Motion Series Speakers – Floor Standing (20i) $599, Bookshelf (15i) $299, Center (30i) $599 By ARCOM - 10 March 2023 45 0 SHARE Facebook Twitter Go to the deal page: MartinLogan Motion Series Speakers – Floor Standing (20i) $599, Bookshelf (15i) $299, Center (30i) $599