Of note, although this is listed under Groupon Daytona Beach, it can be purchased and used by anyone outside of that area.
Today only, Groupon offers a $50 Credit at Koss for $20. That's $30 off and the best deal we could find for this vendor, which sells headphones, earbuds, and sportsclips. Shipping starts at $8.50. This voucher is not valid until May 26. It expires October 26.
Posted May 25, 2011