Save up to 50% on speakers and headphones during the Black Friday Sale at JBL. As a bonus, you can use the banner at the top of the page to register a valid email address and receive a code that takes $10 off $150, $30 off $350, or $50 off $550. Using the code, you can get the $350 JBL PartyBox On-The-Go for $189.99. That's the best price we found by $10 on top of the 43% discount. JBL has guaranteed that all of the sale prices are the same prices we'll see for their headphones and speakers everywhere during Black Friday, so you'll see similar discounts for many of theses items at stores that have also started their Black Friday sales early.