However, not all antennas are created equal. Outdoor antennas, especially rooftop models, typically provide the best reception ... have an audio system with an FM tuner and a coaxial input ...

The best thing for the rest of us to do is to use (or re-purpose) a TV antenna that's already on your roof. If you still use it to receive off-air TV, then get an inexpensive TV-FM splitter.