“Copied from: http://www.head-fi.org/t/686039/cosmic-ears-ba4f-review I'm finding it hard to rate these, for the price I would give them 5 stars on every department. But I'd rather rate them, referenced with the idea of what the very best cIEM could be. The BA4f with the Ice Blue color Short History Before I started my journey into the cIEM...” --Marleybob217
The Flex model is designed to allow you to configure your earphones enabling you to build the perfect listening companion.
The HY2 combines a dynamic driver for lows and a balanced armature for the mids and highs. This dynamic driver also delivers an increased soundstage. The HY2 is a great sounding monitor for those looking for something a little different by combing the 2 driver technologies. Twin hybrid – 1 for lows, 1 for mids and highs Full sized medical grade hard acrylic shell Various...
“The HY3 is a three-way, three-driver hybrid custom in-ear monitor from Sweden-based Cosmic Ears. It utilizes a dynamic driver for the bass and twin balanced armature drivers for the midrange and treble, which used to be a very rare configuration, although hybrids have increased in popularity over the past year. The bass unit looks to be around 8mm in diameter and has its own sound bore. The two...” --blueangel2323
The Pure model is the fantastic entry model to our range of customs yet it still has the benefits of custom in ear monitor. The Pure fits perfectly to your ears, these high-quality headphones deliver a rich sound that off-the-shelf earbuds simply cannot match.
“ So after a day of somewhat abusive run in (free and impatient) and tip rolling, I can say these easily play in a realm at or above their $100 price point. The stock tips are fine and Grado tips also work well but try a few doubles on them all the way to the base and you may get really great results. The stock tips are short and I prefer those up near the tip, the Grado/Orto tips...” --goodvibes
“Introducing HiSound Audio's Crystal IEMs After reviewing HSA's E212 and PAA-1Pro recently, Jack approached me and asked if I'd like a review sample of the Crystal (IEM) and Living (Earbuds). I jumped at the chance, and after paying for the freight - they duly arrived a couple of weeks ago. I’ve listed price at the RRP of ~ USD $69 – this is not what I paid for them...” --Brooko
“ REVIEW: HisoundAudio E300 Specs: Type: Dynamic Size of the driver: Φ 7mm Impedance: 16 Ω Sensitivity: 100 db Maximum SPL: 125db（1khz，1 Vrms） Frequency response: 20-20000 Hz The length of the cable: 124 cm Cable wire :High quality OFC Price: U$D 19.99 Accessories: As mine are just a sample, I didn't receive any extra...” --Zelda
“ Hisoundaudio Golden Crystal First I’d like to thank Jack at Hisoundaudio for giving me the opportunity to purchase the Golden Crystals, or GC as I’ll reference them, as they are not yet available from any US dealer. Meet the super tiny Golden Crystals. They are the smallest dynamic driver on the planet (I think the Monster Tributes are...” --shotgunshane
“Foreword: I'm a production manager, but mainly focus on live sound engineering and lighting. I install and tune P.A equipment, and mix live acts in: - live venues, - concert halls, - bars, and - nightclubs. I've taken a huge liking to headphones - IEMs in particular. I like the idea of having my own personal PA system that I can take with me anywhere. With Rockbox being in such...” --White Lotus