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Dan D'Agostino Momentum Z: A 500W‑to‑2,000W Powerhouse for Ultra‑High‑End Audio

The Momentum Z from Dan D'Agostino delivers up to 500 W into 8 Ω and 2,000 W into 0 Ω, featuring a dual 1,200 VA toroidal transformer and a first‑time JFET stage for ultra‑low noise, aimed at bespoke high‑end hi‑fi systems.
6 February 2026 by
TechStora Editorial Board

Overview

The Momentum Z is Dan D'Agostino’s flagship power amplifier, released to mark the company’s 15‑year anniversary. It targets only the most demanding, custom‑built hi‑fi installations where raw power and pristine sound are non‑negotiable.

Power and Performance

At its core the amp can deliver:

  • 500 W into 8 Ω
  • 2,000 W into 0 Ω
  • Dual 1,200 VA linear toroidal transformer array for massive headroom

This level of output ensures that even the most power‑hungry speakers can be driven without compression, preserving dynamics across the entire frequency range.

Innovative JFET Design

For the first time Dan D'Agostino has incorporated a Junction Field‑Effect Transistor (JFET) stage. The JFET acts as a low‑noise buffer, reducing processing‑induced distortion and keeping the audio signal as natural as possible.

Ideal Use Cases

The Momentum Z is not a mainstream product. It shines in environments such as:

  • Custom‑built, multi‑channel home theater systems
  • Luxury residential audiophile rooms
  • Professional mastering studios that require extreme headroom

Its price and power level make it suitable only for setups where every watt counts.

Conclusion

With 500 W at 8 Ω and a staggering 2,000 W into 0 Ω, the Momentum Z cements Dan D'Agostino’s reputation for pushing the limits of high‑end audio. The addition of a JFET stage further refines its sound, making it a compelling choice for the world’s most discerning listeners.