TOPPING A50s Amp Now Available on Apos Audio

Onward and upward


Apos Audio is thrilled to offer you the TOPPING A50s amp for sale at $199.99As with all purchases, when you buy from us you get the Apos Promise for Free Priority Shipping, an Extended 2-Year Warranty, a 45-Day Return Policy, and our 30-Day Lowest Price Match.


The TOPPING A50s is the latest model with improved specs over its predecessor the TOPPING A50. The A50s has a total harmonic distortion (THD) down to just 0.0007% and its signal-to-noise ratio (SNR) is up to 143dB, which is A marked improvement when compared to the A50, which has a THD of 0.004% and SNR of 123 dB. The A50s also drives an extra 1,000mW of power, has outputs of 4.4 balanced and a 6.35 single-ended, and can drive your high impedance headphones with ease through its high-low gain settings (0dB/6dB for single-ended and 6dB/12dB balanced). The A50s may look the same as before, but this amp certainly has more skip in its step.

We’ve also done the system pairing work for you and have an exclusive Apos Ensemble featuring the Topping A50s, which you can buy here.


As always, we are happy to hear from you if you happen to have any questions or need further information. While you can always start a live chat with us online, or email us directly at “,” we invite you to ask your questions publicly in the Q&A section found at the bottom of each product page:



Many of you have similar questions, so by asking and answering them publicly, we can provide an easier and faster way for you to get the information that you need. Furthermore, all of our customer support agents interact directly with the brand, so the information you receive will be coming directly from brand representatives. Check out the Q&A page to see if we have already answered a question that you have, or if not, please post publicly and we will get back to you shortly!