TOPPING A90 Discrete

Fully Discrete NFCA As its name, A90 Discrete features fully discrete components to redesign the NFCA (Nested Feedback Composite Amplifier) module. There are 4 built-in NFCA-Discrete modules building up fully balanced structure with 39 transistors. The optimized Voltage Current hybrid feedback architecture along with UHGF (Ultra High Gain Feedback) technology provide excellent DC and AC performance. Benefiting from the new design, its output capability is stronger than ever, which allows the amp driving low impedance headphones even more effortlessly. The unparalleled distortion and noise performance are ensured because of the paralleled ultra-low noise precision matched transistors in the design. Two Gain Settings The A90 Discrete has two gain options, which enough to cover a wide variety of headphones: low gain to drive the IEMs with high sensitivity, and high gain to drive full-sized over-ears. Combined with the 0.2uVrms ultra-low noise, even sensitive IEMs will not suffer f