rafaelroxalot
100+ Head-Fier
- Joined
- Oct 6, 2007
- Posts
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- 30
i think the topping is only a amp the usb is only for charging... In and out analogical... So smartphone-Dac sabre android- Nx1 - earphoneI thought NX1 already supports OTG USB, connected to your smartphone? Or maybe I'm mistaken.