Topping A90 Discrete is a Mighty Good Headphone Amplifier
Topping A90D is an evolution of the company’s flagship headphone amplifier A90. D stands for Discrete, but what does that mean?
Topping A90 Headphone Amplifier Released
Topping has just released a headphone amplifier Topping A90 to match their flagship DAC D90. Here’s all of the technical information about it.