Since January 1st, 2002, M31 Inc. has been in the business of bringing the best advances in digital science and technology to the home. We design, engineer, install, test, calibrate, support, and service custom home theater systems and home entertainment systems in North Central Texas. We use science and technology as the foundation of our effort to provide state of the art systems and the best quality products. We maintain our edge with constant training, and the best test and measurement equipment in the industry.