Phase 3 Sound is running an one-of-a-kind promotion that no person else has ever done.

　　Free custom-made made enclosure with the investment of any DD Sound American made subwoofer. All boxes are made with 1" MDF and either black or gray carpeting. No restriction to the variety of subwoofers as long as the box suits your automobile. We can also do a 6 15 box if you have a big SUV like a Suburban. You provide us with limit measurements and we will certainly construct it to DD Audio requirements. All ported boxes tuned in between 35-40 hz. We are additionally providing free setup on all SS set and M collection DD Audio amplifiers. Components are featured. Please visit for gadget information and prices. We are the exclusive dealership for the lower fifty percent of Ohio. Unique offers for those doing a total DD Audio system. Call us for details. . We are passing consultation just to serve you much better. Be managed as a client and not a customer.

　　Phase 3 Audio.

　　1100 Alum Creek dr.

　　Columbus Ohio 43209.

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　　/phasethreeaudio.