Jason Victor Serinus, Stephen Francis Vasta

Nordost QNet7 reclocking network switch

In the opinion of this hi-fi reviewer, the debate over the efficacy of audio-quality network switches should be over. As logic would dictate, when connections are made via a network switch, the quality of its inputs, outputs, oscillators (clocks), power supplies, and pathways affects the sound of everything downstream. It's clearly audible. Everything matters.
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CH Precision M10 monoblock power amplifier

A mono pair of CH Precision M10s ($210,000/pair as reviewed) declares its presence in capital letters. Each channel consists of two large units, each almost 2' high, linked by a total of four umbilical cords. While the "lighter" amplifier unit weighs almost 117lb, the toroidal transformer–based power supply unit tops out at nearly 172lb. That's a lot of metal.
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D'Agostino Unveils the Momentum Z Mono Amplifier

On January 12, 2026, Dan D'Agostino Master Systems welcomed some 52 international audio dealers and distributors, and four members of the audio press, to the unveiling of the new Momentum Z mono amplifier ($125,000/pair) at the company's factory in Cave Creek, AZ. This 15th Anniversary event included an extended description of the product and a factory tour.

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Burmester 232 Classic Line integrated amplifier

My first response, upon being offered for review the new Burmester 232 Classic Line modular class-AB dual-mono integrated amplifier ($25,000), was apprehension—but not because of the product itself, and certainly not because of the Burmester brand. I had already been won over by the pair of Burmester 218 Top Line stereo power amplifiers ($50,000/each) I reviewed in the October 2024 issue.
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