This article takes an exhaustive look at the FX series. What is it? Why does it matter in 2025? And can a small, budget-friendly chassis truly deliver the "Musical Fidelity" promise?

The is surprisingly deep. Because the noise floor is very low (the power supply is over-specced for the output), the background is "black." This allows micro-details—the shuffle of a guitarist’s feet, the reverb decay in a cathedral—to emerge naturally.

The feature ties into a protection CPU:

: Mains voltages are lethal. If you’re not experienced with electronics, take the unit to a qualified technician.