Jon L. JacobiFreelance contributor, TechHive

Jon is a Juilliard-trained musician, former x86/6800 programmer, and long-time (late 70s) computer enthusiast living in the San Francisco bay area. jjacobi@pcworld.com

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DALI Rubicon 6 speaker review: Staking claim to a sonic empire?

DALI's floor-standing Rubicon 6 speakers deliver the sonic goods. But you'll need to be a well-heeled audiophile willing to pony up $5,499 for a pair of them.

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Best TVs: Our top picks, plus plain-language explanations of the most important specs and features

There are plenty of great smart TVs. Our guide cuts through the alphabet soup to tell everything you need to know to buy the one that's right for you.

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Vizio P-Series Quantum X 4K UHD TV review: Color galore and brightness to the moon, but those aliasing issues...

Depending on what you watch, Vizio's P-Series Quantum X TV can be either astonishingly vivid, or mildly annoying. A ton of peak brightness, quantum dot color, and poor anti-aliasing will do that.

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Hisense H9F 4K UHD TV review: Great color and HDR for not a whole lot of money

The Hisense H9F, with first-rate color and HDR, is one of the best TVs in its class. However, detail acuity and blacks aren't as strong.

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Braven BRV-XL Bluetooth speaker review: Meaty, beaty, big and bouncy—and with a built-in bottle opener, too!

Zagg says this large weatherproof Bluetooth speaker is "Rocky Mountain Tested."

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Samsung Q60R 4K UHD smart TV review: The QLED color experience for less

The Q60R delivers Samsung's full quantum dot color experience and lux QLED features at an affordable price point. But there are trade-offs

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HDMI vs. DisplayPort: Which display interface reigns supreme?

HDMI and DisplayPort are both capable of sending high-definition video and high-res audio from a source to a display. We compare their feature sets and typical use scenarios.

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HDMI ARC and HDMI eARC explained: The evolution of the Audio Return Channel

The Enhanced Audio Return channel delivers higher-quality movie soundtracks and music, too—and you won't need a new cable. What's not to like?

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Vizio M-Series Quantum 4K UHD smart TV review: Great color, moderate HDR

Vizio's M-Series Quantum delivers outstanding color and decent HDR for not a whole lot of cash. But there's no motion compensation, native DLNA streaming, or Bluetooth output.

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NAD Masters M10 streaming amplifier review: Great sound, Dirac room correction, and lots more

The NAD M10 streaming amplifier sounds great, is extremely versatile and offers Dirac so you can tune it to your acoustical space. But despite a large colorful touch display, setup and some other functions rely on a phone app or web browser.

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Samsung Q80R 4K UHD TV review: The smart shopper's option in top-tier TVs

Samsung's Q80R is a bargain in the land of top-tier TVs. It has a great picture, but saves you money by omitting unnecessary (albeit nifty) top-of-the-line design flourishes.

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Sony XBR 950G 4K UHD smart TV review: Dated technology with a state-of-the-art price tag

There's a lot to like about Sony's 950G 4K UHD TV: It has that Sony style, a new more lux remote, and good video processing. But the dated color palette and blacks can't match that of TVs costing significantly less.

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Polk Legend L100 review: Higher performance than you'd expect from any bookshelf speaker

Polk's Legend L100 speakers deliver well-rounded sound with generally precise renderings.

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Samsung Q90R QLED smart TV review: Samsung puts its best 4K UHD TV on a pedestal

The Samsung Q90R offers excellent color and puts out tons of peak brightness for dramatic HDR. New smart home features and image tweaks are a plus, but this top of the line 4K UHD model now plays second fiddle to the company's 8K UHD Q900.

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Roku adds a soundbar and subwoofer to its audio lineup

Roku has announced the October availability of a soundbar that doubles as a streaming device, as well as a subwoofer that pairs with it and the company's existing wireless speakers.