DESC: Leave it to the company that forged the history of home audio to add a whole new element to the mix. Introducing the Hi-RES Series loudspeakers from Acoustic Research -- an unprecedented combination of classic looks, innovative features, and revolutionary metal alloy components. From plasma-transferred diamond hardened titanium dome tweeters, and our exclusive MagAlloy midranges, to Bob Carver/Sunfire high efficiency amplifiers in our powered tower and subwoofers. The result is solid sonic precision and unyielding tonal accuracy in any home theater or stereo configuration. This is the new standard for high-output, higher-fidelity performance. This is Hi-RES.