FiiO FH7S in-Ear Earphones High-Performance 1DD+4BA Hybrid Technology IEM Earbuds with 3.5/4.4mm Plug

I have nothing bad to say about these IEMs. I've had many pairs of IEMs over the past 15 years, but nothing that even comes remotely close to these, both in terms of build and audio quality.The sub bass is a true bassheads delight, not overpowering at all, but it's there and there's no lack of it. Some have complained that the mid bass is somewhat muddy and ever-present, but I'm using a BTR7 with built-in EQ and I'm able to tailor the sound specifically to my taste. I don't have the mid-bass issue that others have talked about.Mids and highs are equally as good, even at ear bleed volumes, and they don't scream out at you as some other IEMs that I've used. No sibilance issues and although they are not studio monitors, they weren't really meant to be either. There is coloration of course, by design, and it works well for me. I can't imagine cranking these things up to the BTR7's capability, as you'd probably blow your eardrums long before you perceive any distortion.They are extremely efficient and require very little power to drive them. I'm using the 4.4 mm connector on the BTR 7, so again, very little power required to drive these things. With the amount of headroom that you have on a DAC, you have phenomenal clarity right through it the entire range. I'm using the bass filters and the foam tips and I get a pretty good seal with more than ample bass!Unlike most Bluetooth earbuds, they are not noise canceling other than the passive noise cancellation you obtain with a good fit and seal. These will definitely not ward off a jet engine if you're sitting on the wing, nowhere near as effective as a good Bluetooth earbud but, that's the only trade-off. There is no comparison to any Bluetooth earbud, Bose and Sony included. I have both of the latest and greatest in both brands, and they basically just sit on the shelf now, or I may use them for my TV, but now that I've been using these FH9's, I don't think I'll be going back to a Bluetooth earbud for everyday listening, anytime soon.If you're on the fence about these, just buy them. I can't imagine anybody being disappointed in either the audio or build quality. They're somewhat on the heavier side, which is a big plus for me, because they feel extremely balanced in my ears, and that little bit of extra weight when I take them out of the case, just assures me of the build quality. The cable seems like it belongs in a $2,000 pair of IEMs as well. This setup is not only great bang for the buck, but it's probably great bang for three times that buck.I've used some IEMs at double and triple the price, and they just don't sound like these. At this point I wouldn't even think of anything else.Oh yeah, one more thing, all my listening has been done through YouTube music streaming via Bluetooth to my BTR 7. I have not yet signed up for Tidal, or any of the other lossless music services. I could only imagine how much better they would be. But even on Bluetooth from my phone, these things are insane.

First of all, as I've come to expect from a Fiio product, the build quality is superb. All metal, solid, heavy, just excellent. Even the cable seems pretty solid.Okay, sound: these excel in all three arenas, bass, mids, and treble. Treble is clear but not piercing. Mids are crystal clear, like listening to someone speaking into your ear. Bass is where I was most impressed, because these are punchy and booming in the bass department without it distorting or overwhelming the mids. Like, the bass is somehow both very prominent and yet perfectly separated from the mids. Frankly it's the best bass I've heard in an IEM.Imaging is excellent: each instrument is very clear and distinct, without overlapping. Soundstage is about as good as you can get in an IEM, which is to say, lacking compared to a big pair of open back over ears, but pretty good nonetheless.These also fit my ears quite nicely and they're comfortable after a long listening session for what it's worth, but everyone's ears are different.I tried these with a Fiio BTR7 as well as with my Chord Mojo, and let me tell you, for IEMs, these puppies like a little gain. They sound perfectly fine on a low gain amp, but give them some juice and they really open up. Just a word of advice!Tl;dr: These are excellent IEMs. I'd say in the $200-300 range they're among the best, if not the best, and I've owned a lot of IEMs in that price range.I don't think you'll be disappointed!

Truly an amazing set of iem’s. Set them up for bass and thump away. So many ear tips and a great carrying case. I paired mine with the FiiO BTR7 which I can't recommend enough. Can't beat these at the price point; they punch way above their weight class! Do yourself a favor and hit that buy it now button ;)

I have been on a quest to find the right high-end earbuds for me, with these being the fourth pair, and the ones I'm keeping. The others I've tried ranged in price from $499 to $899 were all single or multiple balanced armature driver designs. Now, I'm not a total bass head, but I expect the low frequencies to have some impact, and I found that BA-only designs just don't provide it, sounding hollow, and oomph-less to my ears. The dynamic bass driver in these FiiOs makes all the difference IMO. You get the clarity and detail in the lower-mid to high frequencies courtesy of the four balanced drivers, and the lower-mid to low frequency energy from the 13mm dynamic driver. They also happen to be the least expensive of the IEMs I tried. Go figure.These earbuds also provide better noise isolation than I expected, even though they use a vented / semi-open design. The selection of ear-tips is really good (I picked the memory foam ones), and so are the accessories, including the nice leather case. The one not-so-bright spot is the documentation on the interchangeable filters, which is non-existent. The filters come pretty much riveted into a chunk of metal, and so far I have not managed to pop out to try them, even using the provided tool. It's a good thing I like how they sound as-is.