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Resonance, Inc. dba DD Audio does not sell the personal information collected during the use of our sites, and we only use it in ways described on this page.

When you make a purchase from our commerce site, you provide your name, email address, credit card information, address, phone number, and a password. We use this information to process your orders, to keep you updated on your orders, and to personalize your shopping and post-purchase experience. We use some third party tools as part of that experience. Your cardholder information is always protected in a PCI-compliant manner.

When you communicate with DD Audio or an authorized dealer via our contact page, locator, or customizer, your information goes into third party software, such as, but not limited to, our CRM (customer relationship management) software, where we can track, manage, and respond to that communication in a timely manner.

To keep you informed about our latest products and offers, we may notify you of current promotions, specials, and new additions to the site. You may unsubscribe from our newsletters by following the unsubscribe instructions in any email you receive from us.

When entering any of our contests or prize drawings, you provide your name, email address and mailing address. If you win, we will send the prize to the address entered and notify you by email. When you enter a contest or drawing you are also included in our newsletter list to receive notice of promotions, specials and new additions to the site. You may unsubscribe from this news list by following the unsubscribe instructions in any email received.

We use “cookies” to obtain web analytics provided by services like, but not limited to, Google and Facebook, to better understand customers and their interests. This helps us to improve user experiences online at

Other sites linked to by our site have their own privacy policies and data collection practices. Please consult each site’s privacy policy. Resonance, Inc. is not responsible for the actions of third parties.

Our phone app (DD Toolbox) does not access the personal information on your phone. We do ask for camera permission because the app uses the flashlight, which requires that permission.