“ I like this phone so much I am onto my second pair. Are they perfect? No. Are they the best IEM for the price? Unless you get them at $79 like I did the second time, no. Do they have a good soundstage? Not really. Are they durable? Like a boat made of paper. But...Do they isolate well? With the Shure olives, hell yes. Do they have delicous, buttery mids that I could and have listened to...” --paddy567
“I was looking for an excellent universal IEM with multiple drivers to fit my portable listening needs. Ideally, I would have my beloved LCD-2's in a portable package. I have become addicted to the effortless brightness of those headphones and their versatility. I'm sad that I can't wear them all the time, which is why I need something portable. I have listened to and enjoyed many low end IEMs...” --hardbop
“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
“ it is a good iem to keep if it fit in you ear” --happywater
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...
Enjoy an audiophile listening experience when music matters. The E3c combines precision components and remarkable sound isolation to provide studio quality sound everywhere you go. High-energy micro-speakers deliver great tonal balance across the entire frequency range. Flexible sleeves produce remarkable isolation, revealing the subtle details of original recordings. The small compact earphone...
“ These things hurt my ear canal too easily unless I use the orange foam inserts, but they get gross and deform a little too easily. Anyway, the sound on these was good enough for me to realize that my iPod had a pretty constant hiss. They also made it apparant that I could only listen with EQ off or the signal would clip. I never listen to these things with the volume up. I'm a...” --funkmeister
“These little earbuds are designed as IEMs, In Ear Monitors, for stage musicians and the like. Hence, they have incredible sound isolation. I would feel comfortable using them as hearing protection while mowing the lawn. I would estimate that would a good fit, the Noise Reduction Rating would be about 20dB. Since the drivers are fairly small (~1cm), they have just the amount of bass one would...” --Wiremaster
“Overall Impressions The struggle Firs and foremost do not expect this earphones to sound as accurate and truth to the recording. They add ALOT OF CHARACTER to the sound, if you don't try to fight against its natural response and accept that those blue devils have a mind of their own, you will love them. (at least i did) Just a little background on my experiences. I...” --LeoTheAwesome
“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