Upon getting them the first thing I noticed was the build quality, its very good as you'd expect from HiFiMan and also how comfortable they are. I had other cheaper headphones but they weren't this comfortable, I can wear these for hours no problem at all.   As for the SQ its just great and I'm quite hard to please when it comes to SQ.  Three things I look for in a good IEM is detail, good mids and a good soundstage so I was hoping the HE-400 could stack up. Now with the soundstage I knew they would be good being open-backed and man are they...

Not going into much detail because I've only heard from someone for a little while.   Bass and especially the sub-bass is outstanding I mean you can really feel the bass from the Kelton sub woofer.   Mids are clear and detailed and can be forward sounding at time as well, they're much better than the FXT90's mids imo.   Highs are smooth yet crisp and detailed also which gives the FXZ100 and balanced signature over all.   Presentation is very good with a spacious soundstage that's very wide and good imaging and separation as well.  ...

This Isn't going to be a long review more so just some impression on how it sounds.   First thing that jumped out at me was the clarity over the FiiO E11, the BH was clear and more transparent making the E11 to sound much darker with less detail.   The bass boost or the LF switch gives the bass on my SM3 V2 more punch but what it really adds is depth, the sub-bass is much more prominent and I hear bass lines that I never heard before with the E11.   Soundstage gets wider as well as giving better depth to my SM3 and now the imaging and...

Accessories,   5 Sets of Tips Protective Case Airplane Adaptor Ear Tip Cleaning Tool   Build Quality / Fit,   On the build quality the X10 is very well built imo.  The housings are made of aluminium and I also think because they're so small that they'll last longer.  They have a good strain releif coming of the housing into a good splitter that has a neck clinch.  On do the cable is pretty much your standard cable that most IEM's have with the plasticy feel to them.  The jack has the gold plating with the same kind of strain relief...

  Specs,   Driver - 3 drivers (3 way crossover) Frequency response: 20 Hz -18 kHz Impedance: 34 ohms Sensitivity: 122 dB/mW   Accessories,   wipes, tool, soft bag, proprietary 2 pairs or silicon tips, 2 pairs of comply tips   Build Quality / Fit   The build quality I'm guessing is much better than the first version of the SM3 because I've read they had quite a few problems with them braking but I don't see much trouble with the newer version the SM3 V2.  The housing which was one of the problem areas before feels like its...

I'm not going to go into a long review on here (thats for my blog) but I have to say the SM3 V2 (which is the same thing but with a better housing and removable cable) is easily one of the best universals you can get.  From the punch bass, crisp yet never harsh highs, those wonderful forward detailed mids to the above average soundstage and the amazing 3D imaging there's nothing I can find wrong about how they sound.  I love the warm smooth mids that have as much detail in them as an IEM I've heard, even as much as the very resolving Heir 3.Ai.  The...

  Price - $150 on ebay   Specs,   Drivers - Dual Balanced Armature Frequency Response - 20Hz - 20kHz Impedance - 35 ohms Sensitivity - 121 @ 1kHz Isolation - 26dB Cord Length - 52 cm (plus 75cm extension)     Build Quality / Fit,   The build quality of the BA200 is very nice.  It has the first flat cable that I like and the cable feels nice and strong.  You get an extension cable because for some reason they made the cable very short and I have no clue why because its unusable but with the extension its the perfect...

  Specs,   Housing - Stainless Steel Driver - Custom-made Balanced Armature S.P.L - 112 dB Impedance - 16 ohms Cable Length - 1.2m Weight - 16g   Accessories,   6 Sets of Tips Steel Carrying Case   Build Quality / Fit   The FAD Heaven IV like the e-Q5 is very well built imo with the stainless steel housing that looks really nice.  They have a flat tangle free cable not unlike Beats that also gives them a nice look, really these are one of the nicest looking IEM's I've had a chance to use.  They have a L...

  Specs,   Driver - (Moving) Balanced Armature Impedance - 40 ohms Frequency Response - 10 Hz to 20 kHz Sensitivity - 118dB at 1 kHz Cable - 4N OFC Max Rated Imput Power - 5mW   Build Quality & Fit,   I have to say these have the best build quality I've had in an IEM.  The housing is beautifully crafted out of aluminium with a very nice silver finish.  You would have to really work hard the brake or damage them though I can see them getting scratched but not very easily.  The cable coming out of the housing has no strain...

  Specs   Price - $119.99 Driver Unit - Knowles TWFK dual BA Impedance - 31ohms, 110dB @ 1kHz Frequency Response - 20Hz - 20kHz   Accessories - Now they don't have one of the most accessory packed sets really its quite small.  You get 3 sets of S,M,L tips which might present some people to have fit issues but for me the stocks ones that were on them work great.  You also get a nice little round case and a airline adapter, so theres not much to talk about here.     Build Quality - I think the build quality is pretty good for a...