The NC50 combines wireless Bluetooth 4.1, high quality audio and active noise cancellation in an IPX4 sweatproof design under $90.
Audionist
Audionist is a long-form magazine-blog dedicated to reviewing headphones, earbuds and in-ear headphones for audiophiles and hobbyists.
Baldoor1
Stunning Tone and a Crazy Price: Baldoor E100 Review
The Baldoor E100 earbud offers excellent price-to-value ratio for a badass earbud with jaw-dropping tone.