Philips Active Noise Canceling Headphones, SHN2500 OEM - SHN2500-B ???

Question

Are these actually active noise cancelling, or even noise cancelling at all?

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Their list price is only 30 dollars.

I thought to be noise cancelling, there had to be a microphone that listened to background noise and a circuit that reversed the noise and simultaneously played it through the speakers or earphones.

It's not just on this shlocky website that I see the term used to mean, afaict, "fills your ear canal so the noise can't get it". Or do they do more than that.

Thanks.

iws · Accepted Answer

| Are these actually active noise cancelling, or even noise cancelling| at all?|| || Their list price is only 30 dollars.|| I thought to be noise cancelling, there had to be a microphone that| listened to background noise and a circuit that reversed the noise and| simultaneously played it through the speakers or earphones.|| It's not just on this shlocky website that I see the term used to| mean, afaict, "fills your ear canal so the noise can't get it".  Or do| they do more than that.|| Thanks.|Yes, they will have some sort of active noise cancelling circuitry with a microphone. It's all in the separate module shown next to the ear pieces. How well it works is another story but the reviews for this model seem pretty positive.

mm · Answer

Wow. That's amazing.  Thanks. (I am not going to shop anymore at  however.  Too manyproblems.)

iws · Answer

|| >| Are these actually active noise cancelling, or even noise cancelling| >| at all?| >|| >||  >| >|| >| Their list price is only 30 dollars.| >|| >| I thought to be noise cancelling, there had to be a microphone that| >| listened to background noise and a circuit that reversed the noise and| >| simultaneously played it through the speakers or earphones.| >|| >| It's not just on this shlocky website that I see the term used to| >| mean, afaict, "fills your ear canal so the noise can't get it".  Or do| >| they do more than that.| >|| >| Thanks.| >|| >Yes, they will have some sort of active noise cancelling circuitry with a| >microphone. It's all in the separate module shown next to the ear pieces.| >How well it works is another story but the reviews for this model seem| >pretty positive.|| Wow. That's amazing.  Thanks.|| (I am not going to shop anymore at  however.  Too many| problems.)| >Actually, I've bought a few things from  and been pleased with the service and products. However,...

Arfa Daily · Answer

See latest issue of Elektor magazine. Noise cancelling theme October issue with ten different sets of noise cancelling headphones reviewed.Arfa

Allodoxaphobia · Answer

Well, maybe not -- not for the $9.99 SKU. I took a gamble at buying two sets of these to replace the bulky earmuff-style noise cancelling earphones that my wife and I use on long airplane flights.

I guess I'm only out $20.

The whole kit comes in a poly bag -- no box. It came only with _one_ set of ear cups. These are obviousy returned or 're-fubished' items. (How do you "refurbish" things like this?) Neither set seems to do much noise cancelling. What they do do .. they amplify the audio when switched "On". Maybe the intent is to over-power the external noise -- thus driving my poor hearing to an even sorrier state....

I see the web site no longer has this $9.99 SKU. They do have a $22.99 SKU that seems to be the full Philips kit -- with box and everything! :-)

Anyway, I guess I'm only out $20.

Jonesy

Philips Active Noise Canceling Headphones, SHN2500 OEM - SHN2500-B ???

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