I need a new dac/amp. It will be connected to a desktop computer whole time. I will use it with Hifiman 400i and Sennheiser 650hd, Senn 598cs. New K5 doesn't have its own power, so it's limited by the USB's output. I maybe wrong but as far as I know, USB power output may not be enough for...

Cheapest USB amp/DAC for HifiMan HE400i 3.5mm (not 2020)?

A Tale of 10 Cans Stephen Travis Pope - Jan-March, 2020 Introduction This documentation represents a subjective, personal comparison of a diverse collection of headphones and in-ear monitors ranging from relatively expensive new-technology over-ear headphones to old-school dynamics to...

Hi everyone I just got the Massdrop O2s for my HE4xx from eBay. There's nothing on the amp itself that suggests if it's the Standard Gain (2.5x Low, 6.5x High) or Medium Gain (1.0x Low, 3.3x High) version. Is there a way to know that from the Amp itself? Also is the medium gain version (1.0x...

Hey guys. I want to buy new headphones and i am interested in these models. The 400i are $180 on amazon and the 4xx are $170 on Massdrop. I know that they use same drivers, but some people says that 400i sounds better and others that 4xx do. I also read that 4xx have more bass, but 400i are...

Hey guys. I am interested in buy a Hifiman he400i headphone, but i am not sure of what dac/amp should i pick (~$100usd). I know the k3 is the renovation of the famous e10k but i am not sure if it's enough to work with the hifiman. I prefer the design and built of the k3 over the mx3, but the...

Hi everyone. I have a Hifiman HE-400i and the combo FiiO E17K as a DAC and a FiiO K5 as an amp. IMHO sound is very good and very transparent. I want to give it a try a new Grados Sr325e for around $295 and pair it whit the FiiO combo I just mention. Or it will be better to invest that budget in...