“ So far, up until now, I've never owned true customs IEM. I have owned three universal reshells (UE triplefi10 twice, and Klipsch Custom 3 once), but I'm on the fence that a true custom is born from a specific sound signature developed by the company/brand that is repeatable in every custom build regardless of the wearer's ear anatomy. Let's get started... For weeks, I...” --alphaphoenix
The Westone UM1 Professional Earphone features a single balanced armature transducer with a passive crossover for each ear and provides up to 25dB of ambient noise attenuation. These earphones are extremely lightweight and are equipped with a durable, ultra-thin cable with a discreet, behind-the-ear design.
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
“ PROS: The detail of this iem is fairly impressive, with its strong points being the treble. They are very clear and detailed and may even seem sparkly. The bass is fast and detailed. The sleeves are very comfortable provided that you get a good fit, and these can easily be worn for long durations. They offer excellent noise isolation to the environment, and oftentimes one may turn their music...” --lawonga
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
“Bass response doesn't bleed to the vocals or any other frequencies whatsoever, lightweight cable with no microphonics and a narrow plug to connect to portable devices. The Westone has a powerful, detailed and clear sound that does not under or overemphasize anything. A polite sound as another writer described with a mid-bass bump and upper treble elevation without been...” --squallkiercosa
“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
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...
Stepping up to a fully custom in-ear musician monitor has never been easier than with the AC1. Whether youÕre a seasoned performer, emerging artist or listening enthusiast, WestoneÕs custom-fit technology, cold pour acrylic body, single balanced armature driver, removable EPIC Pro cable all deliver serious value. The AC1 is available only in clear, full acrylic, with Westone...
“ http://www.head-fi.org/forum/thread/552996/review-westone-ac2-dual-driver-custom-in-ear-monitor See above for my in depth review. In general, the Westone AC2 is a great addition to the somewhat crowded entry level custom IEM market. It has its own flavor that will surely please some people. What would be the point if Westone just released another UE4pro/LiveWires sounding custom,...” --project86