Koss recently made waves by introducing the $149.99 (direct) CC_01, a pair of earphones (though the company call them "earbuds," which, technically, they're not) that offers an adjustable, in-ear fit. The foam tips on each earpiece go into your ear ...

Deep bass response. Adjustable earpieces fit securely. Cloth cable untangles easily

Uncomfortable. Overly bright frequency response. Given the price, sound quality and design aren't up-to-snuff

For $150, these earphones should sound and feel better.

Audiophiles looking for a high-end, flexible pair of headphones may be interested in Nokia's $299 BH-905s. While they're not cheap, they offer an unprecedented range of features. They work in four modes: as a regular wired stereo headset or as a ...

Wired and wireless modes. Smooth wired sound, with balanced midrange and treble performance. Solid active noise cancellation. Very comfortable

Poor sound in stereo Bluetooth mode. A little buggy. Lacks bass punch. Bulky case

Nokia's high-end combination wired/Bluetooth headset is a solid performer, but it costs a bit much given the sound quality on offer.

, brought to you by Pricespider.com! Switching to Mac? The Apple Online Store answers some of the most common PC-to-Mac questions here. Free White PapersView all White Papers >Click here to list your White Papers >#featured_video {width: 336px; ...

Very good audio quality. Excellent noise canceling. Stellar battery life. Easy-to-understand control scheme

Voice quality is ever-so-slightly behind the top of the class. Stealth mode degrades sound quality to other callers

Motorola aims for the top of the headset class with the Endeavor HX1, a quality unit with a unique take on noise cancellation technology.

, brought to you by Pricespider.com! Download this free white paper to learn how Software-as-a-Service (SaaS) security solutions can save you moneyFree utility that finds the fragmentation that's crippling your network! Download this free whitepaper ...

Stylish (for a headset). Comfortable fit. Good sound quality. Carrying case doubles as a charger with an LCD display

Poorly placed volume button. Noise canceling slightly behind the top of the class

Plantronics scores again with the Discovery 975, a slick, chrome-accented headset with a unique design and a surprisingly comfortable fit.

Not many people are willing to drop $400 on a pair of earphones, but in an age when iPods costing the same seem to fly off the shelves, it's a bit of a bummer. Ultimate Ears' latest attempt to woo consumers is the UE 4 Pro ($399 direct)it looks and ...

Top-notch audio performance. Accurate, unexaggerated bass response. Strong passive noise reduction. Removable cable

Much less than the custom-molded UE 11 Pro, but still pricey when compared with other earphones

Just like its extremely expensive big brother, the UE 11 Pro, the Ultimate Ears custom-molded UE 4 Pro offers sublime audio performance, but at a more-affordable price.

BlueAnt is a relentless competitor in the Bluetooth accessory market, having released dozens of headsets, hands-free speakerphones, and other wireless audio devices over the past several years. The latest is the Q1 ($129.95 list), a sharp little ...

Attractive, minimalist style. Voice-controlled user interface. Effective noise canceling

Processed, unnatural voice timbre heard at the other end. Occasional UI glitches. Poor battery life

The voice-controlled BlueAnt Q1 is a looker and a solid effort from a company that's fast gaining ground with its line of Bluetooth headsetsbut the competition has moved further ahead still.

Sound ID surprised the wireless industry in 2007 with its SM100 Bluetooth headset. It was a bean-size device that featured good sound quality for its time and a capability that was then unique: environmental audio pass-through. Now the company is back ...

Lightweight. Stays put, even without the included earhook. Plenty of gain in the earpiece. Good battery life considering its slim size

Voice timbre sounds "processed" to callers. Finicky controls

Sound ID hits a triple with its latest flagship headset, but it doesn't quite reach the home-run level when it comes to pure, natural sound quality.

The Plantronics Voyager Pro ($99.99 list) is the best Bluetooth headset you can find for all-day chatter. It's very comfortable and its strength is in its earpiece: Even if you're standing in the middle of a traffic jam, you'll still be able to hear ...

Superb voice quality. Excellent noise cancellation. Solid battery life. Comfortable

Huge size. Some issues with wind noise ; Watch the Plantronics Voyager Pro in action

The Plantronics Voyager Pro delivers the highest-caliber Bluetooth voice quality, in almost any environment. The Aliph Jawbone Prime wins with wind noise handling, but the Voyager Pro still nabs our Editors' Choice.

Stereo Bluetooth headsets evoke mixed emotions among tech enthusiasts. Given how easily cords tangle up, just about anyone with a portable MP3 player or cell-phone music app would kill for a good-sounding set of wireless earbuds. On the other hand, ...

Full, detailed sound with good mid-bass response. Lightweight. More comfortable to wear than true in-ear designs. Bundled iPod adapter is slim and adds extra value

Overly bright treble. Coarse volume adjustment. Floating headband design can get in the way

Motorola's well-designed and affordable S9-HD may finally give stereo Bluetooth headsets a good nameeven when it comes to sound quality.

The first thing you'll notice about the versatile, open-air Plantronics GameCom 777 headset is the size of the earphones. They're largelike Ross-Perot-ears large. But though the phones surround your ears, their soft cloth pads don't get all sweaty, ...

Shocking surround effect. Nice price for amazingly crisp sound. Versatile with optional USB. Inline volume control. Open design keeps ears cool

Lets in too much outside sound. The cans are huge and unwieldy

This is simply one of the finest gaming headsets I've ever worn, and the Dolby USB module makes it perfect for PCs that lack a decent audio card.