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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Best Ultra HD Blu-ray players

An Ultra HD Blu-ray player brings you one step closer to bringing the movie theater experience into the home. Our top pick has all the features most people will need, and it's also the least expensive.

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PreSonus Eris E4.5 BT speakers review: The convenience of Bluetooth, the accuracy of studio monitors

The PreSonus Eris E4.5 BT are Bluetooth speakers aimed at owners of home music and video studios, but anyone who wants good sound can use them.

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House of Marley Positive Vibration XL headphone review: Eco-friendly, good features, good sound

House of Marley's Positive Vibration XLs are environmentally responsible headphones that deliver good sound a very comfortable fit.

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How to calibrate your TV to get the best picture possible

A few simple tweaks can wring out the absolute best quality from your TV. We'll show you how.

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TerraMaster F2-210 NAS review: This super-affordable box delivers fast streaming

TerraMaster's F2-210 is the most affordable two-bay NAS box we've tested. Write speeds are only so-so, but its media-streaming features are excellent.

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TCL 3-series Roku TV review: This 32-inch set delivers modern smart TV features for not a lot of cash

TCL's 32S325 smart TV fits in small spaces and delivers all the streaming functionality that's made Roku popular. The 720p picture on this 32-inch set is nothing to brag about, but the price is right.

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Cleer Enduro 100 headphone review: Great sound, fantastic battery life, and all the right features

Cleer's Enduro 100 are stylish, sound expensive, and offer state-of-the-art features, including Bluetooth 5.0 with aptX HD, Google Fast Pair, Siri invocation, and USB-C connectivity.

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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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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.