6-driver balanced armature with passive 3-way crossover, acrylic body with Flex Canal (to ensure maximum comfort and sound quality, the body can also be re-molded if necessary), dual bore, MMCX connector type, 118 dB @ 1mW sensitivity, 8 Hz - 20 kHz freq. response, 46 Ohms nominal impedance, 25 dB passive noise attenuation
“ 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
“ I'd like to think RHA for sending me these earphones for review. Along with the summary below, I have posted a Youtube video review of the MA450i. If you like the video, check out my channel for more reviews :) Summary BUILD The MA450i has an interesting build, with a reverse horn / funnel shape. This is actually the...” --a_recording
“ 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
“To keep it short..try him with a cowon d2., another neutral sounding source..u will be surprised how it sounds” --hifimanrookie
“This is my first review on Head-Fi, so forgive me for my trip ups and lack of jargon, as I simply do not have the knowledge or experience to accurately describe everything I hear and feel. That being said, I deliberated over my purchase of these IEM's for quite a while. For a few months, I had a toss-up between the GR07 BE, Sennheiser CX985, Rock-It R50 and RHA MA-750i. Any one of these...” --dazzerfong
“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
3 Balanced Armature Drivers Acoustic Symmetry, with drivers matched within +/- 2dB for premium sound reproduction 3-way Crossover Design Includes a Smoke Monitor Vault 2 Year Warranty when purchased from Earphone Solutions Incredible Sound Isolation Tight strong bass and great highs Extreme comfort w/ flush fit Inline Volume Control
W40 Quad Driver Universal-fit In-ear Headphones Hear your music like never before with the Westone Quad-Driver W40. Featuring four balanced armature drivers and a three-way crossover network, the W40 brings you breathtaking realism and crystal clarity while maintaining superior comfort with premium, ergonomic in-ear tips. Featuring a 3-button control system with a mic, you can make and take...
Limited Time Offer (FREE Monitor Vault) Custom tuned to provide the true Westone sound signature in a universal fit, the UM2 is so refined your stage sound will never be the same. Stepping into Westone's UM2 is a jump for those looking to experience the expertly balanced dual-driver balanced armature technology and tap into the level changing performance that only a professional grade...