Joseph Audio Video Solutions, Inc.  708-522-2422

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About Amplifier Technologies We assemble all ATI products in our 50,000-square-foot Southern California factory. Everything is built 100 percent to our specifications, and we monitor every aspect of the quality-control process ourselves. Here are some of the steps we take to make ATI products the best value in the audio industry. All of these improvements pay off in dependability and sound quality.  learn more >> 

No Shortcuts. No CompromisesMaximum Performance For more than three decades, designer/engineer Morris Kessler has created audio/video products with a simple goal in mind: delivering maximum performance and reliability. In his products, you will find no gratuitous features or needless ornamentation. But everywhere you look, you will find design touches that improve sound quality and increase dependability.  learn more >> 

Audio Industry Recognition"ATI is something of an industry secret. On more than one occasion, when you look in the rack of an industry executive's high-performance theater at home, you will see an ATI amp at the bottom of the rack. ATI is like that little winery in Rutherford that you don't want to really tell anybody about because you are afraid that you might somehow never get any more of their Reserve Chardonnay.."  learn more >> 

Advanced Technology​ ATI Engineers are dedicated to developing state-of-the-art technolgy for our products. The best possible design is the fully differential balanced amplifier. A fully differential amplifier is basically two separate amplification circuits per channel. One circuit amplifies the positive half of the audio signal, while the other amplifies the negative half. The benefits of this design Providing Deeper, Cleaner and Larger Dynamic Range.