This Earphone

Walmart.com has the Sentry HO229 Noise-Reduction Headphones with Airplane Adapter for $10 + shipping. Shipping is about $4; free in-store pickup in most locations.

Product description from Walmart.com:

Great for busy travelers or those who simply want a break from unwanted environmental noise.

Buy.com has the Audio Technica ATHCK7 QuietPoint Passive Noise Reducing Titanium Earphones for only $72.99 with free shipping.

Product description from Buy.com:

Featuring titanium construction for durability, light weight, and portability. Audio-Technica’s QuietPoint ATH-CK7 passive noise-reducing earphone deliver outstanding isolation from distracting background noise. Without the use of active noise-cancelling electronics, this in-ear model achieve sign!
ificant attenuation of outside sound, allowing for increased fidelity and acoustic impact at lower volume levels. Ideal for use with all audio sources, including MP3 and other portable players.

FeaturesManufacturer Audio-Technica U.S., IncManufacturer Part Number ATH-CK7Interfaces Mini-phone Gold PlatedEarpiece Technology DynamicConnectivity Technology Cable 4 ftDesign Type Ear-bud Binaural Manufacturer Website Address www.audio-technica.comProduct Name QuietPoint ATH-CK7 EarphoneWeight 0.35 oz - Without cordProduct Type Earphone

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Buy.com has the Turtle Beach ANR-20 Adjustable Noise Reduction Headphones for $30 with free shipping. active noise-reduction circuitry that can be adjusted according to the amount of noise pollution in the environment.

Product description from Buy.com:

The Turtle Beach ANR-20 headphone combine acoustically-tuned speakers for deep bass and crisp highs, cushioned ear cups for extended wear comfort, foldable design for the ultimate in portability and adjustable active no!
ise reduction to suppress outside distractions.Unlike passive noise canceling headphone which simply seal off your ears from the outside world, the ANR-20 incorporates active noise-reduction circuitry that lets you adjust the amount of noise pollution reduction, so you can enjoy superior sound without distractions while traveling, working or relaxing.

Manufacturer: TURTLE BEACHMfg Part#: TBS-2080-01Buy.com Sales Rank: 174

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CompUSA.com has the Koss QZ50 Active Noise Reduction Headset With Behind The Neck Style Design for $19.99 - free shipping coupon code “SHIPITfree”

Product description from CompUSA.com:

(Based on manufacturer’s information)New advances in materials and design have served to expand the performance of stereophones. Koss’ Product Development team and engineers look for the most innovative combinations of existing and new technologies to deliver the most excit!
ing products possible.

• Frequency Response: 30-20,000 Hz
• Revolutionary Active Noise Reduction (ANR) stereophone system reduces harmful and annoying low frequency sounds in noisy environments
• Dynamic element for full sound reproduction
• Behind-the-head stereophone design for maximum comfort during extended wearing periods
• Requires 1 “AAA” battery

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Buy.com has the Turtle Beach ANR-20 Adjustable Noise Reduction Headphones for $30 with free shipping. active noise-reduction circuitry that can be adjusted according to the amount of noise pollution in the environment.

Product description from Buy.com:

The Turtle Beach ANR-20 headphone combine acoustically-tuned speakers for deep bass and crisp highs, cushioned ear cups for extended wear comfort, foldable design for the ultimate in portability and adjustable active no!
ise reduction to suppress outside distractions.Unlike passive noise canceling headphone which simply seal off your ears from the outside world, the ANR-20 incorporates active noise-reduction circuitry that lets you adjust the amount of noise pollution reduction, so you can enjoy superior sound without distractions while traveling, working or relaxing.

Manufacturer: TURTLE BEACHMfg Part#: TBS-2080-01Buy.com Sales Rank: 120

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Hammacher Schlemmer has the The Bose Noise Reduction Around Ear Headphones With Free MP3 Player for $299.95 - free shipping on $100 or more coupon code “HOLAFS2″ (Expires 01/31/2008)

Buy.com has the Turtle Beach ANR-20 Adjustable Noise Reduction Headphones for $33 with free shipping. active noise-reduction circuitry that can be adjusted according to the amount of noise pollution in the environment.

Product description from Buy.com:

The Turtle Beach ANR-20 headphone combine acoustically-tuned speakers for deep bass and crisp highs, cushioned ear cups for extended wear comfort, foldable design for the ultimate in portability and adjustable active no!
ise reduction to suppress outside distractions.Unlike passive noise canceling headphone which simply seal off your ears from the outside world, the ANR-20 incorporates active noise-reduction circuitry that lets you adjust the amount of noise pollution reduction, so you can enjoy superior sound without distractions while traveling, working or relaxing.

Manufacturer: TURTLE BEACHMfg Part#: TBS-2080-01Buy.com Sales Rank: 83

Product link.

Buy.com has the Turtle Beach ANR-20 Adjustable Noise Reduction Headphones for $30 with free shipping. active noise-reduction circuitry that can be adjusted according to the amount of noise pollution in the environment.

Product description from Buy.com:

The Turtle Beach ANR-20 headphone combine acoustically-tuned speakers for deep bass and crisp highs, cushioned ear cups for extended wear comfort, foldable design for the ultimate in portability and adjustable active no!
ise reduction to suppress outside distractions.Unlike passive noise canceling headphone which simply seal off your ears from the outside world, the ANR-20 incorporates active noise-reduction circuitry that lets you adjust the amount of noise pollution reduction, so you can enjoy superior sound without distractions while traveling, working or relaxing.

Manufacturer: TURTLE BEACHMfg Part#: TBS-2080-01

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Staples.com has the Coby Noise Reduction Headphones for $15, with free shipping on $50. single-sided cord with gold plated 3.5mm stereo plug.
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Staples.com has the Coby Noise Reduction Headphones for $15, with free shipping on $50. single-sided cord with gold plated 3.5mm stereo plug.
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