Sennheiser PXC 250 Active Noise Canceling Headphones


Sennheiser PXC 250 Active Noise Canceling Headphones

Sennheiser has had an enviable reputation amongst his buffs for many years now. I still use CX series – specifically cx500 in-ear phones with my Sony Walkman.

These PXC 250 active noise canceling headphones represent a substantial value for money. They are rated to cut out up to 25db of ambient noise, and they fold up for convenient storage, so they are ideal for use with portable devices like mp3 players when you are out and about.

They have padded, closed earcups for people who prefer this type of design over open earcup or in-ear earphones.

They come equipped with a 6-foot Kevlar-reinforced cord so should be suitable for most uses without an extension lead and are robust enough to take a reasonable amount of punishment without breaking.

Sennheiser PXC250-II Noise Cancelling Headphones

Their frequency response is 10hz to 21khz so even if you have ears that are good enough to operate at the extremes of the human hearing range; there shouldn’t be anything in a decent quality music signal that they cannot reproduce and you cannot hear.

Even though mp3 is a compressed musical medium meaning that some of the frequencies are squeezed out, any decent quality mp3 portable device will be very much improved by high-quality headphones such as these. Moreover, of course, noise-canceling improves this further by keeping ambient noise to a minimum so that you get the maximum enjoyment from your music.

Sennheiser’s NoiseGard active noise reduction works by dropping steady-state low-frequency noise from about 500hz and below by 15db – which to the human ear is equivalent to just about halving the noise. This, in turn, leads to improved musical clarity.

Sennheiser PXC 250-II Active Noise-cancelling Travel Headphones

Now, given that this is an active noise reduction design, you will need batteries for it to operate – in this case, 2 AAA batteries – remember to buy these as an extra because they are not included. However, as a bonus which is not always the case with active noise-canceling headphones – you can operate them without the circuit engaged.

If you are a real bass buff, you shall be pleased to hear that they have a ported design to allow them to move a greater volume of air to give you a better bass response.

There are a 0.25-inch stereo adapter plug, an airline adapter and belt pouch included in the box also.

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