This Earphone

Buy.com has the Etymotic Research ER6i Isolator Earphones for $73 with free shipping. Highest noise isolation (15 to 35dB), Includes 5 ft. cord with 3.5 mm stereo plug.

Product description from Buy.com:

6i Isolator Earphones are designed specifically for use with the Apple iPod and other small portable players, providing greater sound output and enhanced bass.

In-the-ear secure fit for optimal performance

Highly accurate music reproduction !
with greater sound output and enhanced bass

Exceptional noise isolation

FeaturesFrequency response: 50 Hz to 16 kHzTolerance: ?3 dB to 6 kHz, ?6 dB to 16 kHz re nominalTransducer type: Balanced armature1 kHz sensitivity: 108 dB @ 0.1VImpedance: 16 OhmsMaximum output: 120 dB SPLMaximum continuous input: 2.5 VrmsWeight: less than 1 oz.

Package Contains6i Isolator Earphones 5 ft. cord with 3.5 mm stereo plug Flanged and foam eartips 2 replacement filters Filter changing tool and filters Shirt clip Pouch

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Buy.com has the Etymotic Research ER6i Isolator Earphones for $73 with free shipping. Highest noise isolation (15 to 35dB), Includes 5 ft. cord with 3.5 mm stereo plug.

Product description from Buy.com:

6i Isolator Earphones are designed specifically for use with the Apple iPod and other small portable players, providing greater sound output and enhanced bass.

In-the-ear secure fit for optimal performance

Highly accurate music reproduction with greater sound output and enhanced bass

Exceptional noise isolation

FeaturesFrequency response: 50 Hz to 16 kHzTolerance: ?3 dB to 6 kHz, ?6 dB to 16 kHz re nominalTransducer type: Balanced armature1 kHz sensitivity: 108 dB @ 0.1VImpedance: !
16 OhmsMaximum output: 120 dB SPLMaximum continuous input: 2.5 VrmsWeight: less than 1 oz.

Package Contains6i Isolator Earphones 5 ft. cord with 3.5 mm stereo plug Flanged and foam eartips 2 replacement filters Filter changing tool and filters Shirt clip Pouch

Product link.

Buy.com has the Etymotic Research ER6i Isolator Earphones for $73 with free shipping. Highest noise isolation (15 to 35dB), Includes 5 ft. cord with 3.5 mm stereo plug.

Product description from Buy.com:

6i Isolator Earphones are designed specifically for use with the Apple iPod and other small portable players, providing greater sound output and enhanced bass.

In-the-ear secure fit for optimal performance

Highly accurate music reproducti!
on with greater sound output and enhanced bass

Exceptional noise isolation

FeaturesFrequency response: 50 Hz to 16 kHzTolerance: ?3 dB to 6 kHz, ?6 dB to 16 kHz re nominalTransducer type: Balanced armature1 kHz sensitivity: 108 dB @ 0.1VImpedance: 16 OhmsMaximum output: 120 dB SPLMaximum continuous input: 2.5 VrmsWeight: less than 1 oz.

Package Contains6i Isolator Earphones 5 ft. cord with 3.5 mm stereo plug Flanged and foam eartips 2 replacement filters Filter changing tool and filters Shirt clip Pouch

Product link.

B&H Photo Video has the Etymotic Research ER4P 3.5mm Noise-Attenuating Audiophile Portable Stereo Earphone for only $159.00 with free shipping.
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Buy.com has the Etymotic Research ER6i Isolator Earphones for $75 with free shipping. Highest noise isolation (15 to 35dB), Includes 5 ft. cord with 3.5 mm stereo plug.

Product description from Buy.com:

6i Isolator Earphones are designed specifically for use with the Apple iPod and other small portable players, providing greater sound output and enhanced bass.

In-the-ear secure fit for optimal performance

Highly accurate music reproduction with greater sound outp!
ut and enhanced bass

Exceptional noise isolation

Manufacturer: EtymoticMfg Part#: ER6I-BLK-BBuy.com Sales Rank: 404

Product link.

eCOST.com has the Etymotic Research ER6i Isolator Earphones For Apple IPod - White for $68.79 + shipping = $77.85 Shipped.

Product description from eCOST.com:

6i Isolator Earphones are designed specifically for use with the Apple iPod and other small portable players, providing greater sound output and enhanced bass.

Buy.com has the Etymotic ETY-COM Handsfree Mobile Phone Headset for $32 with free shipping. cable 4 ft. cord with 3-conductor 2.5mm plug Assorted eartips replacement filter Filter changing tool Shirt clip Case.

Product description from Buy.com:

Etymotic Research combined its noise-isolating earphone and noise-rejecting directional microphone technologies to produce the most technically advanced headset of its kind. The insert earphone optimizes sound quality and noise isolat!
ion, and the close-talking directional microphone allows you to speak softly for greater privacy. With the ETY.COM, clear two-way conversation is possible in very high levels of background noise.

Manufacturer: EtymoticMfg Part#: ER22-CBuy.com Sales Rank: 1933

Product link.

Buy.com has the Etymotic Research ER6i Isolator Earphones for $75 with free shipping. Highest noise isolation (15 to 35dB), Includes 5 ft. cord with 3.5 mm stereo plug.

Product description from Buy.com:

6i Isolator Earphones are designed specifically for use with the Apple iPod and other small portable players, providing greater sound output and enhanced bass.

In-the-ear secure fit for optimal performance

Highly accurate music reproduction with greater sound outp!
ut and enhanced bass

Exceptional noise isolation

Manufacturer: EtymoticMfg Part#: ER6I-BLK-BBuy.com Sales Rank: 331

Product link.