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I've dreamed of a bicycle sound system for years. I've tried several, even jury-rigged a few of my own, but always ended up discarding them 'cause they sounded lousy, fell apart, or were just a hassle to deal with. But two trends might make decent cycle-sound systems possible.

First there's Bluetooth, which lets you stream MP3s, Internet radio, and podcasts from your smartphone. Then there's the recent explosion in relatively high-quality miniature sound systems like the Soundmatters FoxL and the Jawbone Jambox.

The $99 NYNE Multimedia NB-200 is one of the first Bluetooth speakers designed specifically for cycling. Its driver layout-two 1.5-inch drivers with a 3- by 1.5-inch passive radiator-is somewhat similar to that of a FoxL. While you can get a bike mount for the FoxL, the NB-200 was designed from scratch as a bike speaker. The enclosure has slots that match up with a couple of handlebar clips.

Even though I campaigned against California's Proposition 8, I have to confess that I can't quite get the whole product positioning and marketing of the Fanny Wang brand. The WangBud increases my confusion, although it intrigues me at the same time.

For its first in-ear headphone, Fanny Wang didn't just get some generic IEM and slap its logo on. It created a product unlike any other I've encountered: a headphone using dual dynamic drivers, with earpieces the size of the old iPod earbuds and oblong silicon tips like those supplied with most Bluetooth headsets.

This one's been 36 years in the making - or you could call it 100 years ahead of schedule, depending on how you look at it. I'm talking about the DTS-HD Master Audio 96-kHz/24-bit 5.1 Blu-ray version of it's-about-time Rock and Roll Hall of Fame inductee Rush's 1976 epic 2112 (Anthem/Mercury).