Once you've added the items you'd like to purchase to your shopping cart, click View Cart Details. From this page you'll see a link "Apply a Promo Code+" under the Tax and Shipping Calculator on the right hand side. Click that link and enter your promo code in that box. Make sure to hit Appply.
What is Harman Kardon's shipping / return policy?
The free shipping offer is limited to standard ground shipping and is valid only in the 48 contiguous states of the United States. You may return any item you purchased on HarmanKardon.com, within 30 calendar days of your package being delivered.
How do I contact Harman Kardon?
You can call them at 1-800-422-8027.
How else can I save with Harman Kardon?
Checkout the Sale section for products on sale up to 60% off.