Here are the steps on how to use Promo Codes when shopping at klipsch.com: Log in to your account information or create a new account, select your favorite products and add them to the cart. At the same time, you can view the products you want to buy in the shopping cart. Next, it will jump to the payment page, select Coupon Codes of your Klipsch on the payment page, and complete the payment. Also, welcome to this promotion from Klipsch on October: Save 10% Reduction.