Infinity SM85 is a two-way speaker system of bass-reflex type with the port on the faceplate. The diameter of the woofer with polypropylene cone diffuser is 200 mm; the diameter of polymer dome of the tweeter is 25 mm. The recommended power range is 10-150W. A maximal sensitivity by passport in SM85 is 98 dB. Big sizes (281x450x263mm) put Infinity on the first place "in growth"; aesthetic advantages are also on top. At the risk of being banal, we will note that its frequency response is absolutely perfect.