Author: Craig Lloyd / Source: howtogeek.com

Noise-isolating headphones are great, but if you have a favorite pair of earbuds that you just can’t part with, you can turn them into noise-isolating earbuds of sorts that block out outside noise without spending a bunch of money.
RELATED: How Do Noise Reducing Headphones Work?
Most cheap earbuds that advertise noise-isolating capabilities don’t do a very good job at actually blocking out outside noise. And even if they did, they still might have terrible audio quality. You can go with a known brand that specializes in this area, like ISOtunes or Plugfones, but the cheapest pair of wireless earbuds from ISOtunes cost $60.
Luckily, there are several ways to add noise isolation to any pair of earbuds, including your favorite pair, that’s cheaper than the specialty earbuds from the above companies.
Buy Specialty Foam Tips

The best way to turn your normal earbuds into true noise-isolation earbuds is to buy some specialty foam tips, and Comply is perhaps the most popular company that makes them.
Its foam tips are made out of a “viscoelastic memory foam” that’s very similar to what ISOtunes uses in their OSHA-compliant earbuds. They’re similar to earplugs in that you compress the tips with your fingers, slide the earbuds into your ears, and wait for the tips to expand to completely seal your ear canal. I wear these puppies during plane rides and even while I mow the lawn, and they work really well.
Comply has several different models of foam tips, but their Noise…
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