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ATI Amplifiers

About Amplifier Technologies

ATI assemble all products in their 50,000-square-foot Southern California factory.

Everything is built 100 percent to their specifications, and they monitor every aspect of the quality-control process themselves.

ATI provides solutions to virtually any audio/video situation, from basic stereo or whole-house audio installations to the most robust home theater set-up.

No Shortcuts. No Compromises

Maximum 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.

AT 6000 series

Available with 2 – 7 channels, the pure balance Design uses current feedback, Thermal output devices and DC servos for improved performance.

 AT 6000 starts at £4299.00 – £8299.00

 AT 4000 series


The 4000 series amplifiers, available with 2 to 7 channels, share the design philosophy and circuit sophistication of ATI’s award-winning 6000 Series amps with power output reduced to 200W RMS per channel at 8 ohms and 300 W RMS at 4 ohms.

AT 4000 starts at £3249.00 – £6249.00

AT 54XNC Amplifiers

This series uses Class D amplification, using Hypex N-Core Output modules and in-house Linear power supplies, available with 2 – 8 channels


AT 54 XNC range starts at £2799.00 – £4199.00