EarWerkz is a new CIEM company in Lawrenceville, GA started by audiophiles and musicians.  Their lineup of CIEMs ranges from a dual-driver through an 8-driver, 7-way CIEM.   The sound signature is quite flat, offering a natural and relatively neutral sound from the two models I have...

The EarSonics Velvet has been announced. More info here.  

Null-Audio is now offering a new line of CIEMs, including low cost hybrids, from manufacturer Advanced AcousticWerkes. The goal is to provide excellent price/performance with fast turn times to appeal to not just headphone enthusiasts, but the general public that has become used to spending more...

As some of you may know, I have heard a good number of custom IEMs ranging from top-tier to entry level.  With ever-increasing competition, we are all benefiting from better price/performance ratios.  Perfect Seal is a new brand started by Mike Martinez, who has been in the industry since 1996. ...

Make: Audio Earz by Dream Earz Model: AUD-8X Base Price: $865 + shipping Country of Manufacture: USA Audio Earz is not a new company, but a sub-brand of Dream Earz that was started by Mitch Marcum, a gigging musician and entrepreneur. The brand originally started as Drum Earz, which is now...

I have reviewed several Effect Studio cables throughout the years, and while I wasn’t impressed with the initial cables I tested, Suyang took my criticism seriously and made some great strides in quality and performance.  These are the first two headphone aftermarket cables I am testing...

    Fit-Ear, not to be confused with FItEar Japan, is a company based in California and run by Mark Hood.  When asked more about the company, Mark’s explanation of how he operates and what the company does follows: “I travel extensively, doing motorcycle shows and events across the country...

Lime Ears has combined the LE3 and LE3B into one CIEM, the LE3SW which, for a 50 Euro premium will offer a switch to flip between the two.  I have the individual versions and will post my review in this thread once it is done.  Please feel free to ask questions and/or discuss any of the Lime...

ProGuard P2+1 custom IEM review: On stage       ProGuard Hearing Protection is a part of Sensorcom Ltd run by Rob and Richard (ex–Garwood, original manufacturer of IEM radio systems), both with around 25 years of audio and hearing protection experience.  The P2+1 was launched around 10...

New custom IEM company - Custom Art: discussion, review, and appreciation thread     Custom Art is based in Poland and has been started by our very own piotrus-g (Piotr). The site is still under construction, but you can visit their Facebook page where you can see cables, custom tips, and...

EarSonics SM64 Universal IEM review           These days I am no stranger to EarSonics products; a far cry from when I took an initial flyer on the SM3 in my hunt for the best top-tier universal in-ear monitor (IEM) I could find.  At first I hated them, but after some time I...

Custom IEM Review Lear LCM-5: A trip into neutrality           Lear, a Hong Kong based company, first came across my radar when they were making universal IEMs.  At some point they stopped making universals and a while later I found out they were making custom IEMs and portable headphone...

http://www.head-fi.org/t/541494/multi-custom-iem-review-resource-mfg-list-discussion-24-reviews-ultimate-ears-personal-reference-monitor-added-12-08-12   Every time I hit submit, the content is blank.  That is a lot of work gone...help...

Custom IEM Review: Ultimate Ears Personal Reference Monitor – Your Sound           Ultimate Ears (UE) pioneered custom in-ear monitors (CIEMs), plugging musician’s ears with ear speakers made uniquely for their ears.  CIEMs can help musicians achieve the same sound regardless of the...

Custom IEM Review: Hidition NT-6 Pro – Clear & Precise Fun     Hidition, located in Korea, re-launched their business and product line near the end of 2011 and I was privileged to be able to review the NT-6, which is one of their two flagship products.  The NT-6 was designed with a...

Custom IEM Review: Ambient Acoustics AM4 Pro           I first found Ambient Acoustics in my search for custom IEM manufacturers in 2011.  At that time flagship product was the AM2.  I contacted them in English to get more info but never received a response and let it go.  Once I...

Custom IEM Review: Heir Audio 8.A – Long live the king     Heir Audio was started by Dr. John Moulton, who has been involved in the hearing industry since childhood.  Before starting Heir Audio, Dr. Moulton would post images of custom IEMs he created, all with amazing artwork and became...

Unique Melody Platform Pure | PP6: Active euphoria       Unique Melody is no stranger to making high quality custom IEM products as they have been a favorite in the audiophile world and on head-fi for years.  The Miracle and Merlin are very well reviewed, however I have only heard poor...

Rooth demos: the evaluation of Rooth lineup – liquid clarity     What seems like a long time ago I bought a LS8 directly from Rooth in China and in recent months Rooth has directed me to talk with Tomo from HFI International in Japan, so we got to talking.  Tomo informed me there were...

DUNU DC4 Custom IEM Review: 4-ways to virtue     DUNU is a fairly new company and was started as a brand of the Top Sound OEM making IEMs that utilize very high quality housings that have a similar look and feel, but better build quality to the Monster IEMs.  I have had a chance to hear...

  The Uber Muzik TTD V2: Comparisons with the Audinst HUD-MX1, Anedio D1, and ADL Cruise       The Uber Muzik Tiny Tube DAC V2 (currently not working) is a desktop DAC that comes with a wall wart and has a USB input that supports 24/96 and has both 6.3” and 3.5” jacks on the front and...

AKG K3003 Universal IEM Review: Challenger to the Custom IEM World?     AKG, part of Harman, is well known in the pro market for making quality products that can be found in studios throughout the world (and even in Skullcandy pictures!).  Harman has other brands that are more consumer...

ACS T1 Live! Custom IEM Review: Silicone for the Big Stage     ACS has been making custom monitors in silicone for quite some time with their “T” series consisting of single (T3), dual (T2), and triple (T1) driver custom IEMs, and have been in business since 1994.  They started with...

Alclair Reference Master Custom In-Ear Monitor Review     Alclair is a new company custom in-ear monitor company started by Marc Musselman, whom has quite a bit of experience in the industry.  Alclair products are tuned to his specifications, and he is continuously tweaking his products...

Earsonics EM4 Custom IEM Review: Front & Center     Long ago, before my first custom IEM, I found Earsonics and was intrigued by the SM3, so I bought it. It turned out I hated them at first and was sorry I spent $400 on something I didn't think I could return.  After about two weeks...