Polk Audio

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  • Exclusive Speaker Technologies
    • » Four-speaker I-Sonic Technology
    • » Patented PowerPort® Bass Technology
    • » Advanced Digital Signal Processing
  • Hear More Radio Stations
    • » HD Radio® with multicasting
    • » Conventional AM/FM Radio
    • » SIRIUS Satellite Radio
  • I-Sonic ES Special Features
    • » Overview of the original I-Sonic ES
    • » Built-in DVD/CD Player with TV Outputs
    • » Dual-Alarm Clock Radio
    • » iPod and MP3 Player Connectivity
    • » XM Satellite Radio
  • I-Sonic ES2 Special Features
    • » Introducing the new I-Sonic ES2
    • » iTunes Tagging; tag and download HD Radio songs
    • » Integrated iPod Dock with universal adapter
    • » iPod Video with S-Video + Composite Outputs

HD Radio® technology for static-free reception. Radio stations all over the country are converting to digital HD radio broadcasting. The chances are very good that your favorite radio station is or will shortly be broadcasting in HD.

It's Better and It's Free

HD Radio brings you a host of sound quality, convenience and programming choice benefits. Your HD radio listening will be free of the static and multipath distortion of old fashioned analog radio. You'll enjoy CD-quality sound from FM HD stations and FM quality stereo sound from AM HD stations. You will never want to go back to analog once you've heard the HD radio difference.

Both the I-Sonic ES and I-Sonic ES2 allow broadcasters to show information on the display screen - information like artist/program name, song title, sports scores, traffic information and stock ticker.