You can get headphones from Argos, HMV, The Apple Store, Music Stores, House of Fraser, Debenhams, etc etc
at amazon or a cosplay store
the store
£26.00
You can get them at many places, even at a store like Walgreens. Large music stores have huge selections and some of the highest quality headphones like Skullcandy headphones.
Shure Headphones can be purchased on line or in a store. Shure headphones online can be found on eBay, Musicians Buy, and Planet DJ. They can be purchased in store at Adorma Camera, Sam Ash, Parts Express, and Guitar Center.
An example sentence for this could be: Jack is going to the store to pick up a new pair of headphones.
One can purchase Bose headphones from a Bose store, either an outlet store, or a free standing store. Many high end electronics stores will also offer at least some Bose products for sale.
They are $30 at the Apple Store online and in-store. Link below.
Rite aid or the dollar store.
One can purchase NTune headphones by going to Office Depot. Office Depot sells NTune headphones both in their retail stores and online on their website's store.
You can find iPod headphones at pretty much any electronics store, including Apple. Go to your local Apple store or check out www.apple.com for a wide variety of choices.