Fully Discrete NFCA Headphone Amp: A90 Discrete uses fully discrete components to redesign the NFCA module. 4 built-in Nfca-discrete modules which each them uses 39 transistors build up fully balanced structure. The optimized Voltage Current hybrid feedback architecture along with UHGF (Ultra High Gain Feedback) technology provide excellent DC and AC performance. The output capability is stronger than ever, which allows the amp driving low impedance headphones more effective.
TOPPING A90 Discrete Is Also Served As a Preamp: In preamp mode, it get the same high performance as the headphone amp mode, and 20ohm SE and 40ohm balanced output impedance are widely suitable for various amplifiers. A90Discrete can not only switch between the headphone amp (Only output from the headphone jack) and the preamp(Only output from RCA and XLR), but also support the output from all at the same time. The full-featured remote control makes it more convenient to use.
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Topping A90 Discrete Fully Discrete Balanced Headphone Amplifier HiFi NFCA 4Pin XLR/ 4.4MM Balanced/ 6.35MM SE Out 9800mWx2 Desktop Headphone Amp Preamp with Remote Control (Black)
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First Listed on Newegg
July 01, 2025
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