Hi Guys, please, help me. If I have AMP with output impedance like, for example, 1 Ohm and a cable with it's own impedance, say, 3 Ohm, will they sum for a total of 4Ohms or only the last value does matter to calculate dumping factor for headphones?

Hey! I've just bought new and sensitive iems (CA Solaris) and now I hear very noticeable hiss from my portable iBasso DX80 player. Is there any way to eliminate that hiss or the only way is to change DAP for a more "silent" one?

Hi, guys. I'm very sensitive for sibilance. My current day-to-day player is cowon d2+ with fiio e11 amp, my earphones are AM6 HiRez. I use rockbox EQ to cut down some high frequencies: -7dB, Q0.7, 7kHz. Well, AM6 sounds very well on many compositions without EQ, but sometimes they harsh too...

Guys, I want to ask, what is the science behind the statement "some players can't drive some headphones". For example, I've read many opinions that ihifi 760 is bad player for BA headphones. Why is that? Because it has "wrong" output impedance? But why it can drive well dynamic phones with same...