Thank you for explanation for me and sorry for misunderstanding. Also, I don't remember actual price. I think the price should be 300~350 USD

Thank you for answer   Ordered PC37X and sennheiser GSX1000 ! But should be waiting a long time 

I agree for light bass will not chaos and easy to listen the footstep. But I think light bass will not improve the positional. Quite hard to explain(?) In my weakly impression AKG and ATH sound sigmature quite similar. But I dot like theses sound and not fans so I cant comment with these...

I dont know why there are few 1840 enthusiast. It sounds good and cheap(now not release) By the way, i know the 1840 positional is good and I had order a GSX1000 for playing battlefield 1 and R6S. It seems a good dac & amp for virtual 7.1. How about PC37X/PC373D performance? Massdrop had open...

Using ifi idsd for 1840 because this combo is just for listen music before choosing fps headphone. lol I haven't try 5.1/7.1 surround dac for 1840. It's that any suggestion for me? Also, ad700x good at actual posioioning because it is base on using 5.1/7.1 surround dac?

Hi I am choosing a new headphone for fps such as battlefield 1 and rainbow6 just focus on actual positioning. Now there has shure srh1840, razer kraken 7.1 and steelseries H wireless. I can listen the direction in front but can't listen behide of me. Also, these headphone is not good at actual...

It's looks good But the price is too expensive And the link of the battery is not LiFePO4. It is a battery which can keeps 1.5V normally. If you want to try LiFePO4, "coolook" or "coolworld" maybe your favor.

is there any different sound with USB DAC-PC and USB DAC-android?