Topping is a company that has made its name selling DACs and headphones amplifiers with great value propositions. A number of their highly regarded products have come across our office, including their entry-level amplifier, the L30, their midrange stack the D30 Pro and A30 Pro, as well as their A90 and D90 flagship series.

Shenzhen audio on the other hand is one of Topping’s largest distributors. They are an online retailer that can ship to all corners of the globe.
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