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Sennheiser

Sennheiser PXC 450 Headphone

The sound of the Sennheiser PXC450 noise-canceling cans is quite good with a slightly withdrawn mid-range and well-balanced response otherwise. The noise canceling feature is highly effective and provides a significant reduction in outside noise during airline travel. The PXC 450 includes a 'talk-through' button that allows you to hear someone chatting with you without removing the headphones. Operates from 1 AAA battery and also functions in normal 'passive' mode without batteries, so you'll never be without your music.

What We Think:
The Sennheiser PXC 450 updates their proprietary 'NoiseGard 2.0' noise-blocking headphone technology to provide very good ambient noise attenuation while leaving musical impact, clarity, and dynamic range mostly intact. The PXC 450 circumaural 'full size' circumaural earcups offer great wearing comfort compared to some smaller noise-canceling headphone ergonomics. Sonically, it delivers perfectly acceptable -- and quite robust -- audio performance given the non-audiophile 'noise-canceling' application. All in all, the PXC 450 is a welcome advancement by Sennheiser in a rather thorny category of travel-oriented noise-blocking headphones.The Sennheiser PXC450 offers a handy 'Talk-Through' function so listeners can communicate with the outside world while wearing the headphones. Just press the switch on the right earcup and external conversation comes in loud and clear while automatically muting the audio. Significantly larger than the previous Sennheiser designs, the full-size Sennheiser PXC 450 comes outfitted in an elegant grey/matte-silver color scheme with glove-soft black leather earpads on its folding 'circumaural' ('around the ear') sealed-back earcups. An adjustable, tough-built headband allows for a nicely personalized fit. The single-sided cord (no 'Y' cord!) is completely detachable 6-foot cable and another nice plus; it terminates to a 1/8' [3.5mm] mini-plug, with the bigger 1/4' stereo plug adapter included. Even without the cable attached, the headphones can still be activated ato be used as hearing protectors with about -20dB of ambient noise attenuation overall. A soft-sided but rugged Sennheiser travel case contains the folded PXC 450 headphones and all included accessories like a two-prong airline adapter, the aforementioned full-size 1/4' adapter plug, and even has handy slots for extra AAA batteries.

Benefit Statement:
Leave it to German headphone juggernaut Sennheiser to rollout one of the more decent full size noise cancelling headphones we've heard yet. We sometimes decry 'active' noise cancelling headsets as being but a pale shadow of audiophile headphone listening. Given all the electronic ambient noise processing, on-board batteries, and extra hoo-haas required on the design, it's no wonder most noise-cancellers leave something to be desired for demanding listeners who love great sound. However, noise-cancelling technology is so effective on airplanes and for daily commuters facing noisy listening environments that the market has slowly begun to deliver improved active noise-cancelling headsets with Senn pushing hard to lead the pack. The PXC450 updates the proprietary Sennheiser 'NoiseGard 2.0' technology to provide superb ambient noise attenuation of 90% of background noise (up to 1kHz) while leaving the musical impact, clarity, and dynamic range mostly intact. The PXC450's true 'full size' circumaural earcups offer great wearing comfort compared to many other noise-cancelling headphone ergonomics. Sonically, its extended highs and a well-measured bass response bracket a clean--albeit slightly recessed--midrange; it's actually perfectly acceptable audio performance given the non-audiophile 'noise-cancelling' application. All in all, the PXC450 is a welcome advancement by Sennheiser in a rather thorny category of headphones.

Feature Statement:
The PXC450 offers a handy 'Talk-Through' function so listeners can communicate with the outside world while wearing the headphones. Just press the switch on the right earcup and external conversation comes in loud & clear while automatically muting the audio. Significantly larger than the previous-model PXC150, PXC250, and PXC300 ergonomics, this full-size Sennheiser PXC450 model comes outfitted in an elegant grey/matte-silver color scheme with glove-soft black leather earpads on its folding 'circumaural' ('around the ear') sealed-back earcups. A durable adjustable headband allows for a nicely personalized fit. The single-sided (no 'Y' cord!), completely detachable 6-foot cable is another nice plus; it comes terminated to a 1/8' [3.5mm] mini-plug, with the bigger 1/4' adapter included. Even without the cable attached, the headphones can still be activated and used as hearing protectors with a claimed minus -32dB of ambient noise attenuation. A soft-sided but rugged Sennheiser travel case contains the folded PXC450 headphones and all included accessories like a two-prong airline adapter, that full-size 1/4' adapter plug, and even handy slots for extra AAA batteries. 


Specifications:
Sensitivity: 108 dB/V
Manufacturer Warranty: 2 year
Cord Type: Straight Left-Side
Coupler Size: Large
Detachable Cable: Yes
Cord Length: 4.5 ft. (1.4 m)
Impedance @ 1kHz: 150
Weight: 13oz
Ear Coupler Type: Noise Cancelling
Headphone Type: Full Size
Wireless: No
Noise Cancelling: Yes
Isolation: -32dB
Acoustic Seal: Closed
Microphone: No
Driver Type: Dynamic

Product Features:
Good sound quality, especially for watching laptop / iPad movies & films
Excellent ambient isolation provided by closed-back earcups with proprietary "NoiseGuard" circuitry
Compatible with iPad, iPhone, iPod or other portable players
Bypass switch allows improved sound with high-end headphone amps
Free 2-year Sennheiser manufacturer's warranty

Whats In The Box:
carrying case
airline adaptor
1/4" adaptor
2 AAA batteries

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