Polk Audio UltraFocus 6000 review: Polk Audio UltraFocus 6000

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The Good The Polk Audio UltraFocus 6000 active noise-canceling in-ear headphones feature a big, powerful sound while maintaining a comfortable fit.

The Bad The cable lacks a microphone and smartphone controls, and playback requires power, so the music dies along with your battery.

The Bottom Line The Polk Audio UltraFocus 6000's noise-canceling powers are just average for an in-ear NC design, but anyone looking for midprice headphones with lots of bass and detail will love this set.

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7.0 Overall
  • Design 7
  • Features 7
  • Performance 7
  • Value 7

Polk Audio may be best known for its speakers, but its new UltraFocus Series of headphones include active (battery-powered) and passive noise-canceling features.

The UltraFocus 6000 ($149.95) in-ear headphones monitor external noise levels and tailors the frequency response to enhance the sound, and the headphones' physical construction feels robust with a thicker-than-average cable and Kevlar-reinforced connectors that should provide a long service life.

The UltraFocus 6000's noise-canceling prowess on the NYC subway and buses is average for an in-ear noise-canceling design, which is to say they're just slightly better than non-battery-powered, passive-noise-isolating in-ear headphones.

On the other hand, the UltraFocus 6000's fat bass should register with buyers listening to rock, electronic, hip-hop and dance music, which is another way of saying the bass-heavy UltraFocus 6000 isn't the most accurate set of headphones you can buy in its price class. Classical music and acoustic jazz lovers may not be happy with the UltraFocus 6000's overly ample bass boost.

Design and features
The UltraFocus 6000's polished-metal-and-matte-black earpieces are distinctive and suitably stylish. I also like that the earpieces are clearly marked "L" and "R" so they're easy to identify in low-light conditions -- a rare quality for earbuds.

Comfort levels are good, and the selection of three pairs of Stayfit silicone tips, two pairs of Stayfit three-flange silicone tips, and two pairs of memory foam tips should make it easy to find just the right tip for your ears.

Sarah Tew/CNET

I'm not supertall, but the headphones' 56-inch-long black-and-gray cable felt short, and I found myself wishing it was 6 inches longer. Still, it's preferable to cables that are too long. The wire has an inline controller with a Push-To-Hear Ambient Control button that simultaneously mutes your tunes and amplifies outside sounds so you can hear the world around you without removing the headphones.

Sarah Tew/CNET

The controller also has a "0/-10" slide switch that boosts or cuts the headphones' peak volume level. I used the "0" setting because the UltraFocus 6000 wouldn't play loud enough when the switch was in the "-10" position. I was less happy with the inline controller's plastic shirt clip that felt too small to clip onto my jeans.

Additionally, its cheap plastic construction doesn't inspire confidence in its long-term durability. The biggest misstep, however, is that the UltraFocus 6000 lacks an integrated microphone and phone controls, which may be a deal breaker for smartphone users who prefer to store their devices in a backpack or otherwise inaccessible carrying case like a pocket or briefcase.

Sarah Tew/CNET

The inline controller box houses one AAA battery, and there's a small blue LED that lights to confirm that the power is turned on. Battery life expectancy isn't specified by the manufacturer, but it's worth noting that I never changed the battery, even after accidentally leaving it on for a full day.