Brainwavz B2 Dual Balanced Armature Earphones

General Information

The BRAINWAVZ B2 are based on a dual balanced armature configuration, which is very different from the rest of the BRAINWAVZ line which is based on dynamic drivers, as such the BRAINWAVZ B2 has quite a different sound from the rest of the BRAINWAVZ stable.

The B2 sound signature is one of detail, with wonderful mids, clear highs, wide soundstage and a bass that many would coin as just right. The sound would be best summarized as being well rounded, that each part of the sound spectrum is well represented provide a truly balanced sound.

BRAINWAVZ B2 earphones will come with a 1 year swap for new warranty, should anything go wrong with the unit, you only need to send the earphones and we will send back a brand new unit sealed retail unit to you.

Transducers/Drivers: Dual balanced armature
Rated Impedance: 40ohms
Frequency range: 20 ~ 20000Hz
Sensitivity: 110dB at 1mW
Maximum input power: 60mW
Plug: 3.5 mm 90-degree gold plated
Cable: High grade copper cabling
Cable length: 1.3 meters
1 year warranty
Dimensions (Packaging): 175 x 150 x 52mm
Net Weight: 15g
Gross Weight: 162g

Included Accessories:

1 x Pair Comply foam tips
3 x Pairs silicone tips (S/M/L)
1 x Airplane adapter
1 x 1/4" adapter
1 x Carrying case
1x Instruction manual / warranty card

Latest reviews

Pros: Fantastic detailing, layered and open presentation
Cons: Extremely bright. Non existent bass even after trying 7 different tips
Summary of my experience with these:
Build: Feels cheap and plasticky. In fact the box appears better made than the earphones. :)
Treble: Very detailed, forward and sharp. No real sibilance BUT is very fatiguing after even after short listening sessions
Mids: Again very detailed but there appears to be some forward and some recessed elements depending on the track you are listening to. The soundstage in the mids is great. Very wide and layered.
Bass: Very weak. I even tried my gel custom fit earbuds to ensure the fit was perfect but it didn't really help. These fall off badly with any electronic bassy tracks. Just feels like there is a massive hole in your musical experience and therefore I cannot recommend these for all round listening.
Overall: Very disappointed given the glowing reviews I have read but if you are after great detailing and don't mind a noticeable lack of bass then I would give these a try.
I very much agree with your review actually. They are quite bright IEMs, and the bass is a bit lacking. But I personally found that with some bass EQing applied, it actually sounds a lot better. They are definitely on the brighter side, but I wouldn't quite say sibilant. But these are by far, the most detailed IEMs I've ever owned. I don't know if it is some kind of distortion, but cymbals on these IEMs had a kind of life and sparkle in them I've never heard from any IEM or headphone for that matter. I unfortunately lost my pair of B2's, but I would definitely buy another if they're going for a good price.
Pros: SQ, Detail, Pretty Good Soundstage, Cheaper Than Fischer DBA-02 MKII
Cons: Can Be A Bit Sibilant, Bass A Tiny Bit Lacking, Midrange Slightly Recessed
When I first got these, I was a bit unsure as to how to put them in my ears, but I managed to find out after a quick search. I remember when I first listened to them, I felt that they sounded atrocious. The bass was alright, but the cymbals were very harsh. Slowly, my ears accustomed to the sound and now the sound great. These are very neutral with a peak in the high mids/lower treble region, which sometimes causes both vocal and cymbal sibilance. Below is a full review.
Edit: After listening to them again, they sounded terrible. While they are technically very good, I don not like them at all. Therefore, I will reduce the rating to 3.5 stars. 

I got the Barinwavz B2 used, but if you get them new, you get a nice clamshell carrying case, a 1/8-1.4 adapter, an airplane adapter, quite a few tips including foam tips. These are really the only things that I need. I don't need a kazillion tips and fancy storage case like the IE8 and I also don't need an extension cable or the airplane voltage converter thingy that come with the TF-10s.
Build Quality:
The build of these are rather average. They don't have anything on well build IEMs such as IE8, but they are pretty good. A potential downside is that there is no detachable cable and the braids start coming a bit loose after some time. The shell scratches quite easily, but it feels quite solid. 
The design is good, but I feel like the corners should be a bit more rounded. It causes discomfort sometimes which can be very annoying. The cable is stylish, but i just wished that the braids didn't come loose so easily and that they would make the cables detachable. The strain reliefs are decent but the cable slider is too loose. The tip size is also really weird. It is much smaller than other tips which means that you cannot use aftermarket tips such as Sony Hybrids or Comply foam tips. Overall, not bad except for the tip size which is really annoying. 
Isolation & Insertion Depth:
The isolation is very average. Due to the design, these only have about as much isolation as the IE8s. The TF-10 with Sony Hybrids inserts much deeper and isolate much more. These are fine for say riding the train or walking on a busy street though. 
Coming from a pair of UE TF-10s, the bass felt very weak initially. Now, a few weeks in, the bass is fine, but at times I feel like there should just be a bit more. On my HDP-R10, I use the EQ and turn the sub bass up 2 DB and the mid bass up 1 DB. I am not a basshead and I really disliked the IE8 because of the excessive bass. I felt like the TF-10 had too much bass as well. B2's bass can be considered very neutral. It's somewhere around the HD600 that I heard a while back. The bass detail is a clear upgrade from the UE TF-10. Overall, the Brainwavz B2 is very capable in the bass apartment. 
First up, let me say that I feel like that mids on the Brainwavz B2 are just perfect. I find myself not needing to EQ the mids as I find that I do sometimes on other IEMs. Both female and male vocals are great, but I feel like the male ones could do with a bit more body to them. On a song like "Some Nights" by Fun, I can easily tell where every singer is. On songs where male and female singers have the sing at the same time, it is much easier to separate them than compared to say the IE8 or TF-10. The mids are not as recessed as the TF-10 which is a relief. The mids are the strongest section of the B2s. 
The highs are where the B2 shine. There is only a bit of sibilance at normal listening volume. It starts to become a real issue when the volume gets turned higher than normal. it doesn't really matter though because you really shouldn't be listening at those dangerous volumes anyway. The highs extend very well and there is just the right amount of sparkle to them. Not too little that they sound dull or too much that they start to become fatiguing like the TF-10. The details especially on cymbals around the 16 khz region is very clear. I think that the highs are the clear strong point of the TWFK drivers. 
Instrument Separation & Transparency: 
The separation on these is great for an IEM in its price range. In many IEMs, string instruments in the background get drowned out in pop,but this is not so with the B2. Violins and celos are easily distinguished from the drums and cymbals. Transparency is not great but is good for an IEM of its price range.

The soundstage is good, but not great. It is very much source dependent. With my S3, the soundstage is quite small. with my HDP-R10, the soundstage broadens up and extends deeper a lot more. Some IEMs give you the "surround" feeling. These go for the more realistic approach and the instruments and singer feels like they are all in front of you on a stage.

These are a very capable pair of IEMs and for $189 in Australia, they are a relative bargain. However, I do think that the Fischer DBA-02 MKII sounds a tiny bit more refined so it may be a good choice to spring for that. They have also fixed that cable braiding issue in the MK2 version. However, these are smaller and if you have small ears, the Fischers may not fit. I'd say that if you have small ears or like the look of the B2s, then go for them. If you have an extra $10 to spend on IEMs then go for the Fischer DBA-02 MK2.
Pros: 360 surrounding instrumental music sounds amazing, easy to power, analytical
Cons: Not as fun/too revealing, sibilant if at high volumes with sibilant music, not perfect seal
Just got my Brainwavz B2 and find the details better than my S4i. Compared to my HD 598, obviously they are not as wide, but they are deep, a bit wider than my ATH-M50. They do sound pretty bright, perhaps even lacking in the depth of the sound, but much more tolerable than the R1s. The harshness/sibilance don't seep into my ears too hard, but after listening to a track that presents a bit of sibilance, it does get quite fatiguing. Most instrumental tracks sound fine, sibilance from vocals are controlled as long as the volume isn't too high, it's not as sibilant as the S4s which is a good thing. The bass is not booming, but with tracks that use a good amount of bass, they start to sound pretty punchy. To be honest, I do not feel the energy of the music compared to my S4s, but they are definitely more clear, raising the volume would add the extra depth I need feel the full energy, but if the music is sibilant, then it gets noticed and can make the music less pleasant (with factor to the revealing aspect of the IEMs), not to mention that certain parts of the music sounds recessed (I cannot pinpoint where). IEMs sound enjoyable with high quality music that surrounds the stage, moderate amount of bass to added energy, low sibilance. Not so hot on rock, metal, pop and other more focused in a direction type of music due to it's revealing and spacious nature.
My ears are not adapted to the comply foams nor the silicone tips as opposed to the Klipsch oval tips, so I get less of a seal and comfort, but it's still more comfortable than those circular tips that do not even get into my ears. I still prefer the silicone tips over the comply, the music sounds more fun on them. They seem pretty brittle too, just as much as my S4s, so I fear for the worse for them after a year.


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