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Brainwavz B400 In-Ear Earphone review

 Everyone is aware of Brainwavz, one of the best value for money brands in the market. They make plenty of fantastic value for money products, let it be pads, Bluetooth earphones or multi BA based earphones. Most of them are well received by both reviewers and consumers.

 Last time reviewed their B200 dual BA based earphone and it is a fantastic earphone for under $100. Loaded with very good amount details and very good fit, the B200 punches well above its price range.

The B400 I am reviewing here is not a new earphone. It still is one of the cheapest 4 BA per side earphones in the market. Released nearly two years ago but it still has plenty of admirers. Regarded as one of the best $200 earphone in the market it comes with a price tag of $149 and had a lot of colors to choose from. Now you can only choose from black or frosted white colors.

 Does the B400 still has enough to take on recent earphones? Let find out.

 You can get one for yourself from these links:-


· Rated Impedance: 30Ω

· Frequency Range: 10 Hz – 40 kHz

· Sensitivity: 115dB

· Cable: Detachable

· Cable Connector: MMCX

· Plug: 3.5 mm, Gold plated


 The packaging of the B400 is exactly same as the B200, it comes with the exactly same set of accessories too.

 The B400 comes with their signature black and red long earphone carry case, the newer packaging too looks more premium and classy compared to the 1st gen B200.

 There are 6 pairs of rubber tips, one pair of comply T-100 tip, a cable clip, Velcro cable tie, and few documentation completes the list of accessories.

 Even when it is priced at just $149 the B400 has all one can ask for.


 I never had any problem with the build quality of any of the Brainwavz earphones, and the Bxxx series being their flagship range are some of the most ergonomic earphones in their price ranges. The main shells are printed using state-of-the-art liquid Resin 3D printers. The sizes of the earpieces are small and the fit is snug.

 The all plastic build looks fairly strong and is light weight. The nozzle is longer than most and is one of the most secure fitting earphones as it gets nicely deep into the ear. There is a vent on the shell, maybe to keep the pressure in control. Keep in mind that BA based earphones don’t need vents.

 Ergonomically it is better than its competition and feels very comfortable thanks to its smaller size and light weight.

 The B400 seals very well, one of the best to be precise.

 CAUTION:-  don’t use earphones where you have to be aware of your surroundings like driving and walking on the road, stay home and enjoy your music or at gym.


 The cable is internally braided with a layer of rubber coating on it. It does have some bouncy characteristics and is on the stiffer side of the spectrum when compared to cables which comes with earphones in this price range. It retains the exact 45degee jack, Y splitter and even the cable guides, but thankfully it terminates at the MMCX port. The cable guides are fairly comfortable.

 Considering that earphones in this price range come with better cables, Brainwavz too can ship it with a more supple cable. Arranging this cable is difficult. It has a lot of memory and doesn’t stay a put after winding.



Suman Sourav Meher

Suman Sourav Meher

My humble audiophile journey started in 2010, when I was in college, where I fell in love with the elements, nuances, and variations of this mesmerizing world. The ability of tiny earphones to recreate amazing sounds made my bad days tolerable and good days better! Now I am a full-time audiophile with a preference for musical tracks, especially vocals and engaging ones. I must admit I am addicted, but not to drugs or alcohol, but to earphones. Come join me as I share my experiences, bad or good, and let’s have some fun!


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