Decent Earbuds on the Cheap


Anyone have suggestions on decent noise isolating earbud headphones under $100? Money is tight now so under $50 would be even better if there is such a thing.
As always....Thanks for your help.
griffinconst
The Sennheiser MX65 is pretty decent. It has an extra "plug" that goes into the notch above the ear canal that keeps it tight in your ear. No falling out and a better seal. $50.

http://www.sennheiserusa.com/private_headphones_earbuds-and-ear-canal-headphones_classic-series_502548
Etymotic and Grados. Have experience with both. Comfortable and great sound provided you use the correct ear plug for your ears...otherwise you lose bass and more outside noise comes in.
I like the cheap models of the Sennheiser brand, I've been using them for years at work. They're really good. I need to buy a half dozen of them before they stop making them.
They used to be around $10,now there a little more, you could hunt around for better price. MX series. I think they all sound the same in that series too.
Best
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