Crossover frequency: 2

Suppresses RFI (radio frequency interference) and keeps the signal clean

The NuPrime amplifier circuit improves the traditional class D design by using a self-oscillating circuit to generate pulse-width modulation

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The STA-9X switches at a frequency of 750 kHz (the highest on the market)

Aune AL2 RCA 1.5 Crossover frequency: 2Aune AL2 is a high quality RCA cable with a detailed, well balanced, and wide soundstage. "It is constructed from Van Damme Pro Grade cable, which consists of OFC copper and a silver plated braid." The RCA connectors are from Youngsheng (the same group as Neutrik) "The connectors have the same neutral sound signature as Neutrik connectors." Van Damme Pro Grade cable Youngsheng gold plated RCA connectors Length: 0. 25m or 1. 5m All contacts are