What for? This is a passive headphone amp for small handheld devices. Non-controlled, Non-option for user friendly. Just amplifying a little bit more for your high impedance headphones for around 10 USD. This amplifier has built-in Lithium-Polymer battery about 800mAh for running thru over 12hrs as manufacturer description. And I… Read more »
The brand name of “Topping” was not familiar for me, so I have to anguished buy it or not in about 100 times. Then I have to trip again, to mistic big land in Asia, yeah. It took about a month while arrive package to me. Seller seems to really… Read more »
The name of “Zhilai” seems to a brand of manufacturing single audio devices in China, I could see many products in Aliexpress, Amazon and eBay. So I have to decided have dangerous trip to Chinese den. For 2 weeks for shipping days, and package was just simple: One USB DAC… Read more »