Brainwavz B400 are a quad driver in ear monitor in a clear finish called stay frosty. Brainwavz makes the B400 in Hong Kong, using USA made drivers. The housings are 3D printed into a very ergonomic shape. The shape does not look unusual, but it seems to be fitting everyone in store great and provides excellent isolation, stability and comfort. Brainwavz says the shape could only be made via 3D printing and we're fans.
B400 includes 2 mmcx cables, one with inline mic, one without, as well as different tips that will provide slightly different sound tuning. The B400 really nail the sound quality for an under $500 earphone - they have a flat enough tuning to please the pro crowd but are still fun to listen to and have excellent extension at the bass and treble frequency extremes. Easy to drive, great sound right from the phone, improves as the quality of your source improves.
The reviews are right, these are an excellent buy.
Digitaltrends.com: Smooth, precise, and controlled, the Brainwavz B400 in-ear headphones offer astonishing value.
Headfonics.com, 8.4: B400 is a truly excellent fitting universal IEM
Themasterswitch.com: you should buy the B400s. The amount you get for the amount you pay is fantastic