No it works without the external power connected, but only if your source has the required power output via connection. Laptops and desktops will run desktop mode without any issues most likely. Not all phones will have the power output for it and if they do the battery drain is pretty high and will ruin your battery in the long run so expect to use a small 2500-5000 mah powerbank and some 90° adapter/cables to get a portable setup that won't kill your battery life. For iems tho, desktop mode is not likely necessary to use as max vol on low gain or high gain without maxing volume is more than enough for all my iems including my planar iems. I only need desktop mode for my planar headphones and high impedance dynamics, Which I don't see most people leaving their house with so you may not even need desktop Mode on the move . Depends on your use case completely tho. I have posted my setup in this thread before with a 5000mah power bank so I can move around my house and take outside when it's not raining and I can run my he400se (they are planars so impedance does not work the same with them, they need more power than my dt900 300ohm) on desktop mode and high volumes for 5 hours or something around that. Sorry for the long explanation and rant but hope I cleared some stuff up for you.Amazing... So do you think the ibasso dc elite worth the price?
I want to ask is the desktop mode activate only when you jack power into the side USB C(after switching the switch) or you can just drain your phone battery ?
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