
TOPPING A90 Discrete Headphone Amp
Our best-selling amplifier “Mr. Clean.” “The Giant Killer.” “The Best Amp Ever.” These are a few of nicknames the TOPPING A90, our best-selling amplifier, has gained since its release. At its most basic level, it’s a balanced amp and pre-amp with tremendously clean and powerful output. At its broadest level, it’s become the benchmark by which all other solid state amplifiers below $1,000 are judged. D for Discrete The A90 Discrete, or A90D, is an upgraded version of the groundbreaking A90. As its name suggests, the A90D uses fully discrete components in a complete redesign of the A90 NFCA module. Four discrete NFCA modules using 39 transistors each form the fully balanced amp architecture. The matched precision transistors ensure unparalleled distortion and noise performance. Calling all cans Planar magnetic, dynamic drivers, IEMs—pick your poison, the A90D can handle it. Thanks to its high output voltage, high output current, and low output impedance, the A90D can push loads of po