Infinity Reference R253 | Black 3-way Floorstanding Speaker (Ea.) Single Speaker - Single Speaker - Sold Individually - Purchase Two for a Pair. Authorized Dealer. Warranty and award-winning customer service. Your new point of reference for highquality sound As the smaller of the two Reference Series floorstanding models, the R253 packs a powerful punch. The heart of this compact floorstanding speaker is the 1" (25mm) CMMD highfrequency driver mated to our advanced waveguide. This combination provides seamless integration with the midrange and smooth coverage across a wide listening area. A 5.25" (130mm) flatpiston CMMD midrange with a dedicated subenclosure provides superior vocal and dialogue intelligibility. Dual 5.25" (130mm) CMMD woofers work in conjunction with the tunedport enclosure to provide powerful, deep bass response that will make your music and movies come alive. The R253's slender design and elegant details provide a rich appearance that blends well with any dcor. Compact floorstanding loudspeaker ideally suited for music and home theater systems The R253's small size allows for flexible placement within your room. They can be used as front main channel speakers in a music or home theater system and are sonically matched to companion Reference Series center and surround loudspeakers and powered subwoofers allowing you to create the ideal system solution for your needs. 1" (25mm) CMMD tweeter with advanced waveguide The combination of the acoustical science and patented designs found in the 1" (25mm) CMMD (Ceramic Metal Matrix Diaphragm) tweeter and advanced waveguide provides seamless sonic integration with the CMMD midrange while providing excellent highfrequency detail and smooth coverage across a wide listening area. 5.25" (130mm) CMMD flatpiston midrange with dedicated subenclosure The flatpiston design reduces critical high and midfrequency diffraction found in traditional conetype midrange drivers. This helps to improve the integration with tweeter and woofers and provides better balanced sound across the entire frequency range. The dedicated subenclosure prevents harmful interaction with the woofers inside the cabinet and allows the midrange to remain crystal clear at all times.