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The Brainwavz Delta are a low to mid-price bluetooth in-ear headphone from Brainwavz, currently costing US$37 on their website. They came in the familiar Brainwavz packaging, which is a black compact black fabric zip case. It includes a number of tips, a charging cable, and a manual. The headphones seem well built and feel like they're good quality considering the price.

Pairing the headphones with my phone was easy - hold down a button, search, done.

The headphones are quite comfortable in my ear, and are lightweight. I'm a little confused about the best way to wear them. If I hang them in front of me the weight of the wireless unit all goes onto my right ear, which over time pulls the earphone out slowly, even with the included clip. The clip seems rather pointless, other than preventing them being lost if they fall out of your ears. The central unit isn't that heavy, but it's heavier than a cord. I ended up putting the central unit behind my neck so my neck took the weight, which makes it a little more difficult to access the volume controls. All in all I think either better instructions or a different cord configuration would be a good idea.

The listening tests are the core of our reviews, so here goes.

Eminem Cinderella Man: this song really shows how well headphones do with bass. All in all the bass quality is reasonably good, but the depth and impact is slightly below average. It's not bad, and it's about what I'd expect from this class of headphone. The vocals are reasonably clear, and the higher frequencies are there and well balanced. Detail is ok. These headphones work fine for Eminem.

Ed Sheeran - The A Team. This track sounds a little thin. The vocals are a little veiled, and the lack of high frequency detail is really apparent. Bass isn't as low or as strong as it could be, but it's not bad. It's not unpleasant to listen to, but neither is it something you'd choose if you were at home in a quiet environment.

Bon Jovi - Livin' on a Prayer. The headphones work better with rock. They still sound a little thin, but it works better than quieter genres. Detail in the highs is ok, bass is slightly lacking, and vocals are ok.

Adele - Set Fire To The Rain. This doesn't sound too bad. There's an obvious lack of detail in the highs and midrange, and the bass is again lacking. It's pleasant to listen to though.

Dance Music - GT vs Project C. The bass comes through ok, but the lack of detail in the highs is really quite obvious. Vocals are pretty good. This is a 320kbps mp3, I find the headphones skip occasionally, which I assume is because of the bit rate. I'd probably keep these to 256kbps or below. Like other genres, these headphones lack detail but they're not unpleasant to listen to.

Sound summary: The highs are somewhat rolled off, bass isn't as low or as strong as it could be, and detail is only ok, but the music sounds pretty good despite these flaws. These is bass, and it can have a decent impact on the right track. You can hear cymbals and high end detail, but not as well as you would with higher end headphones. Considering the price they do very well, and the music sounds pretty good.

Conclusion: the Brainwavz Delta are good value low to midrange wireless bluetooth in-ear headphones. They're clearly not audiophile grade, but they're not sold as such. They're relatively low priced wireless headphones to be used while you're out and about, commuting, or on a plane. They're quite adequate for that. The music sounds pretty good, and there's nothing offensive about them at all. I think they're very good value.

If you want a fairly cheap wireless in-ear headphone I think you'll probably be happy with the Brainwavz Delta.


Test setup: 128 - 320kbps mp3 files, fed from Bluetooth on a Huawei P9 running Stellio music player on Android 6. No equalization is used.
Disclosure: free samples were sent to HeadphoneReviews for review.