SDS-450C 4 Channel Class D Amplifier Kit
All of our complete amp and modules are custom made to order, tested, and run in before shipping. Ship time is 2 to 3 days in most cases.
Frequently Asked Questions
Most questions can be answered by clicking the yellow button in the image below. If you don't find the answer you're looking for, please contact us and we'll reply right away during normal business hours.
Please click the yellow button in the image below for answers to our most asked questions.
Thank you for taking the time to visit us here at Class D Audio Inc. Please read on and learn a little about who we are, what we do, and how we are able to provide fantastic Made in the USA products at prices you can afford.
We manufacture Class D Audio equipment... not just any equipment, but what we believe to be some of the finest Class D Audio amplifiers and related equipment available today. Have a listen, and if you're not completely satisfied, return it for a full refund!
Don't let the low prices fool you...
We're a small company, and what better way to grow than to offer exceptional products at exceptional prices. We also provide customer service and support that's second to none. You can read some customer reviews by clicking the "Testimonials" link in the middle section of our home page and see what actual customers and others have to say about our products.
One of the questions we get asked so often is: