MartinLogan Motion 4i Compact Bookshelf Speaker - Folded Motion Tweeter, 4" Woofer - Gloss Black (Single)Product Description The MartinLogan Motion 4i is a sophisticated bookshelf speaker that combines a compact form factor with audiophile grade performance. It features the signature Folded Motion tweeter, which is engineered to provide a fast response and precise high frequency detail. This makes the 4i an excellent choice for listeners who want clear and transparent audio in smaller rooms or as part of a high end surround sound system. Despite its