The promise was enticing: A compact wireless speaker system offering “exceptional” performance with the option of using an outboard digital-to-analog converter (DAC) to achieve a “much needed, audiophile-grade alternative to mediocre wireless sound.” Amen. The last thing the world needs is another pair of bad-sounding wireless speakers.

We’re Not in Kansas Anymore

Like many surround-sound audiophiles, I listen to a lot of twochannel material as well. It’s part retro sacrament, part necessary evil. Although I haven’t turned on my ancient stereo amp and preamp in months—their presence in the rack is mainly symbolic—I regularly run my 5.1-channel system in stereo mode when the nature of the content demands it. I also get a lot of use out of the cheap speakers and chip-amp in my kitchen, not to mention the powered iPod speakers in my bedroom. I use my 2.1-channel desktop rig throughout the day—not only when I’m at my desk, with the inevitable YouTube distractions, but also during the evening, when I curl up with a book. My armchair happens to sit across the room from my desktop system. Because the distance from the speakers is greater than the distance between the speakers—about a 3:1 ratio—this isn’t an ideal setup for stereo imaging. But it’s great for casual listening. I’ve spent some of the happiest hours of my life sitting in that chair, listening to that system.

Whatever happened to portable TVs, anyway? I know my dad had one. It was a fairly bulky affair with a relatively small black-and-white screen. But the novelty eventually wore off; even the slenderized Sony Watchman didn't exactly take the world by storm, did it? Their allure is still undeniable, and they're certainly still out there, resting upon the knees of tailgaters and beachgoers. But shifts in the ways we use technology have also inspired the tech-savvy to put TV tuners into the omnipresent PC, conceivably turning a laptop into a portable HDTV, with a few caveats.

The proposition is hard to resist. Buy a turntable with a USB output, connect it to your PC, and digitize your vinyl for 21st-century listening. But there’s a right way and a wrong way to do this. The wrong way is to use one of those handy new cheap plastic turntables with a USB output. Sorry, a bad turntable is a bad turntable whether it has a USB jack or not. It falls down on the analog side of the job, ensuring a bad-sounding digital outcome. This warning has been conspicuously absent from clueless mainstream media coverage of the USB-turntable genre.

The company that invented the DVR is re-inventing it. ReplayTV has left the living room to TiVo, last-generation ReplayTV recorders, and cable and satellite providers that offer DVRs as a premium feature.

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Roku has released its newest generation of media streamers, including the top-of-the-line Roku 2 XS player. Perhaps you haven't given Roku much thought as a serious addition to your home theater. Its earlier models gave more attention to the quantity of media-streaming partners than to the quality of the pictures they were streaming. The Roku 2 XS may change your mind as it changed mine.

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That Roku box is shrinking…again. The Roku Stick looks like a thumb drive and is only about 3 inches long. For the most part, it provides the same experience as the standard Roku boxes—same menus, same performance. But to use one, you’ll need an MHL-enabled TV or other device.