Westone triple balanced armature driver 3-way passive crossover custom. 1 High, 1 Mid, and 1 Low drivers.
“I bought these as an upgrade from the W3, which while extremely fun, I soon became disappointed in, due to mid bass bleed into the midrange. This caused vocals to become too chesty and distortion rock guitar notes too rounded instead of hard edged. Enter the W4. Fit and Isolation: Westone 4 is extremely comfortable. I love their size and weight. They only...” --shotgunshane
“ Disclaimer I bought these about 3 years ago, used them a lot and got to "know" them well. The (sort of a) good thing is: They still perform as good as they did when I first tried them on. But that was not too good. Back then I felt disenchanted: they somehow sounded unimpressive, which left me confused. I mean, I based my decision to buy the most expensive earphones I had ever owned solely...” --Checkbox G
“ This is great for the price. Its sound reminds me of Stax headphones or electrostatic speakers, both of which I don't own, but have heard on a few occasions. It needs extensive(100+ hours?) breaking in to help tame the highs and bring out the bass. If you want a slightly warmer sound or are treble sensitive, then choose the Panasonic RP-HJE355 instead, although some may want...” --JK1
“ Just got the UM3x (with removable cable) purchased from the Gear Lab and sent direct from Westone after selling my UM2's and Triple Fi' 10's. Here are some detailed un-boxing pics (including pics of the UM3x in my ears), and then some initial first impressions after 4 hours of use and comparisons to the UM2 and UE Triple.Fi 10. ...” --willyc32
“To keep it short..try him with a cowon d2., another neutral sounding source..u will be surprised how it sounds” --hifimanrookie
The Westone 1 was launched in late 2009 and it is ideal for sport practice, running, aerobics as these earbuds will fit inside your outer ear and never fall off. Designed with the human anatomy in mind, the Westone 1 earphones also feature balanced armature drivers which provide excellent sound quality outperforming earphones that sell well over $200
“ Westone ES5 Disclaimer: This review is just a reflection of my opinions and experience. Specifications: Sensitivity: 120 dB SPL/mW Frequency response: 8 Hz - 20 kHz Impedance: 20 ohm Speaker Technology: Five balanced armature drivers with a passive three-way crossover Features : Replaceable cable, one year parts and labor warranty on internal components, 25 dB...” --Tronz
UM Pro 30 High performance Dual Driver in-ear Headphone The ultimate in-ear headphone, the UM Pro 30, stands next to none. Boasting an unmatched sound signature and tuned for performing artists, the UM Pro 30 challenges the conventions of other in-ear headphones and is backed by 50+ years of experience with in-ear applications. With a three-way crossover that's matched to individual low,...
Adventure Series is the culmination of two decades of experience with audio and in-ear monitors. Designed for active users, ADV creates a new category of cross-over earphones that can be enjoyed in any environment. Westone's Adventure Series offers an Active Fit System with Up and Over cable routing and patented Star Tips to ensure superior fit, comfort, and retention. The Adventure Series...