Since 1988, Q-Logic has specialized in helping you to get the best performance from the audio system in your vehicle. Along the way, we’ve seen changes in the way our customers store and access their music (from 8-track tape to mp3 and everything in between) as well as countless technological advancements in the vehicles themselves.
PD Investments, LLC. (Q-Logic) is located in Stillwater, Oklahoma and manufactures, markets, and distributes branded aftermarket car-audio enclosures under the names of Q-Logic, Q-Forms, and Q-Customs. Distribution is broad, and includes over 1,000 specialty dealer locations and major retailers nationwide.
Our manufacturing facility is also located in Stillwater, Oklahoma where our products are crafted using precise manufacturing techniques and hand assembled by dedicated employees.