I can't thank you enough for your detailed reply, it really helps! I think Concero HP is more tempting to me, as it doesn't require an external power supply like Fireflies (I am a laptop user) I have read several reviews of Concero HP online and the feedback seems quite good, which makes it...

nice review! I have DT880 250ohm, which one will you recommend when using as usb dac/amp combo?

I know what's causing the problem, the plug!! (that 3.55mm jack) I have experienced the same problem when auditioning in the shop, if your earphones has volume control or microphone on its cable, the plug will have four parts on it (separated by the little black rings), which normal earphones...

Don't know about 1840, but AD2000X has very attractive female vocal, I was listening to AD1000X in a headphone shop and started to wonder how good the flagship would sound, and AD2000X indeed sounded like a straight upgrade to AD1000X, I was listening to "Only Winter" by Halie Loren...

I have made a comparison of S:Flo 2 and iBasso DX50 today, using Audio Technica ATH-AD1000X, it's a full size open design headphone, I had tried it in another headphones shop with my S:Flo 2 and had been impressed by its attractive female vocal, spacious sound stage.   I am afraid that I am...

yeah, I was referring to its soundstage. When I switched from DX50 to S:flo 2, everything sounded much wider, more spacious, and I could hear more details from the singer's voice. I am afraid that I can't do a comparison with a full size headphone since I don't have one, but I can borrow one...

As a S:flo 2 owner, when I saw iBasso had released its new audio player DX50, I was really excited and wanted to give it a shot. Fortunately, there is one headphone shop nearby selling it, I made a rather quick comparison there. First and the most important, S:flo 2 sounds better, I wasn't sure...