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HD 650 with an Amplifier ?

Foobar 2000 works well for me. (Android)
 
Yes, takes a little getting used to but once it works it works fine (Samsung)
 
But when downloading high quality music into my VLC application,
my HDXX6 stutters, while a simple 20€ telephone headset does not sutter.

I suppose that this has all to do with the 300 Ohm impedance
and that I need an amp. I got this.
No, certainly not. This sounds very much like a software or driver problem. At least as I understand the meaning of stutter.
 
Just picked up the HD650 and presume they need some hours at work to settle in. Loud enough but unimpressive plugged directly into a low end Samsung cellular, plenty loud enough for me directly into M4 Mac. Still raw, but in its present state they turned much closer to my taste with Soundsource (just the trial) and a couple of profiles downloaded. Not quite there, pretty sure I will be able to get what I want with the DX1 II. Doubt one can get the best out of them without a dongle or better plugged to the phone I have. But that was fully expected.

Have only tested for a few hours, thus a first impression only.
 
Just picked up the HD650 and presume they need some hours at work to settle in. Loud enough but unimpressive plugged directly into a low end Samsung cellular, plenty loud enough for me directly into M4 Mac. Still raw, but in its present state they turned much closer to my taste with Soundsource (just the trial) and a couple of profiles downloaded. Not quite there, pretty sure I will be able to get what I want with the DX1 II. Doubt one can get the best out of them without a dongle or better plugged to the phone I have. But that was fully expected.

Have only tested for a few hours, thus a first impression only.
Your posting suggests that you expect the sound of the new HD650 to change, the so called infamous "burn in". Be aware that burn in is a myth. It's not the sound what changes but your brain adjusting to its sound.
 
Your posting suggests that you expect the sound of the new HD650 to change, the so called infamous "burn in". Be aware that burn in is a myth. It's not the sound what changes but your brain adjusting to its sound.
Not beyond that I find it natural that something slightly flexible fixated to something more rigid stretches and massages itself ever so slightly into it's natural state and stretch when being put to use for the first time (probably recieved a quick blast during production/assembly as part of QC anyway). Might be set in its natural state upon arrival, or they may need to be used to settle in. Don't know, but I am fairly certain headphones played for 300 hrs (random number) by someone else would be providing their natural performance when I put them on, whereas at zero hrs I wouldn't know.

Besides, these are my first (and if I picked right, the last) proper headphones (Beats don't count in my book) in decades, thus I am hardly the best source.
 
Not beyond that I find it natural that something slightly flexible fixated to something more rigid stretches and massages itself ever so slightly into it's natural state and stretch when being put to use for the first time (probably recieved a quick blast during production/assembly as part of QC anyway). Might be set in its natural state upon arrival, or they may need to be used to settle in. Don't know, but I am fairly certain headphones played for 300 hrs (random number) by someone else would be providing their natural performance when I put them on, whereas at zero hrs I wouldn't know.
Yet it is a myth, because those changes are so small they are inaudible. The biggest change is in speaker woofers, but they "burn in" within a few seconds. Klein & Hummel measured the frequency response of each driver of each O300D speaker (predecessor of Neumann KH310) and stored them in a database, to be able to program the matching digital crossover (Pro 28) accordingly if the user later decided to upgrade. This approach would fail if the drivers burn in for longer than a very short time.
 
I don't add much weight at all to "my experience with these" by a couple of hours testing and experimenting, and I don't rely upon any myth about "burn in". I read your response as your confirmation of the phenomenon I mentioned has a potential effect. Audible or not. Besides, it would vary with construction, materials and assembly quality.

Doesn't really matter to me, and I would argue it's a digression to the only points I had having some sort of meaning. M4 Mac provides sufficient power for the levels I need, and a low level Samsung doesn't cut it. More or less a similar experience to what was reported already.

I do agree pertaining the brain's adjustment, when I got the crap Beats it was easy to notice. I ended up with wearing a beanie to cope with them at all. Got used to my bt buds too, and despite rather decent reviews, they are bad. Will take time to get used to and properly appreciate the HD650 too, even with a good dac/amp.
 
@Raymond:

FYI, Fosi have published PEQ software for DS3 (dongle), C3 (gaming), MD3 (Magsafe), Q8 (preamp) and "some premium devices".

DS3 being a dongle apparently for your purposes (and potentially mine despite leaning towards DAP).

I have no opinion whatsoever about power, performance, measured qualities to ASR philosophy or the quality of the software. Featurewise it may however be interesting indeed.
 
I just received the JCALLY JM20MAX and yes, amazing for this little thing,
it does work well boosting the sound to a level that avoid pushing the volume
to a maximum. Thank you.

 
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