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ATI AT523NC 3-Channel Power Amplifier

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Certified Pre-Owned What’s this?

Original price $2,995.00 (27% Off Est. Retail)
Original price From $2,199.00
Original price $2,995.00 (27% Off Est. Retail)
Current price $2,199.00
From $2,199.00
Current price $2,199.00

+$65.00 Shipping to contiguous US.
Tax collected at checkout.

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Product Highlights

The ATI AT523NC delivers 200W RMS per channel into 8 ohms and 300W RMS per channel into 4 ohms across three discrete channels. Built in the USA, this high-end power amplifier utilizes Hypex Ncore NC500 Class D modules paired with a custom linear power supply to combine high efficiency with excellent sonic fidelity. It features switchable balanced XLR and unbalanced RCA inputs, running cool while deploying advanced microprocessor-controlled turn-on delays, automatic AC power recognition, and a ten-minute auto-sleep circuit.

Earning a Sound & Vision Top Pick, this amplifier line is praised by critics who marvel at its uncolored sound signature and massive dynamic headroom, with some adopting it as their reference standard. Reviewers celebrate its custom true-balanced input stages for canceling noise and enhancing speed, noting that the Hypex modules provide a near-silent noise floor. The audiophile community agrees it beautifully bridges Class D efficiency with the rich performance of Class AB, delivering punchy bass without harshness.

Integrating an amplifier of this caliber into your system is about securing effortless power and rock-solid reliability. Because it generates very little heat, it provides a practical solution for demanding multi-channel setups without sacrificing performance. For the enthusiast looking to uncover hidden micro-dynamics through a clean, neutral anchor, this component offers the perfect balance of modern engineering and pure musical authority.
Brand ATI
Type Power Amplifiers
MSRP $2,995.00
Serial # AT500NC-01317
Cosmetic Rating

9 - Excellent condition with no notable blemishes.

Functional Notes

Operational condition of this item is excellent, fully tested and no issues found.

Age 5 years
Owners 2
Service History None

Amplifier, Trigger Cable, Power Cable, Owners Guide, Factory Packaging

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