“The following is taken out of its context from my review here http://www.head-fi.org/t/687962/asg-2-ck100pro-and-ue900-reviews-the-dysfunctional-family I just thought that the CK100Pro deserved a review here. I don't own it but have auditioned it extensively over about 8 days. Though I just might buy it later... CK100Pro: The Sheldon Cooper of iems Contrary to the warm...” --MoonYeol
If you want earbuds that will give you crystal clear audio at a great low price, the Audio Technica ATH-CK303M Earbuds is your choice. With a 20-20,000 Hz frequency response, gold plated connector, and a comfortable fit that provides maximum sound isolation, the ATH-CK303M Earbuds are an incredible value.
The Audio Technica ATH-CKM33 Earbuds give music lovers an amazing listening experience. With an incredible 5-24,000 Hz frequency response and 10.7 mm drivers, the ATH-CKM33 pump out crystal clear audio normally only found in very expensive earbuds.
“ Beyerdynamic's dtx100 is their top of the line dynamic driver iem. It has a bass driven sound very similar to the 60/80 which is a signature I like. Bass heads may be left wanting as will detail freaks but they are fun with a punchy attack and very user friendly. They exhibit marginally less bass than the 80's but extension is, if anything, better, as is clarity. Because of this bass...” --Marcus_C
“ In short: + Stylish looks + Comfortable + Powerful bass reproduction, flat but present mids, rolled off yet detailed and even sparkly highs, usually good separation + EQ-able +- "Dark" sound signature, tends to favor the bass and lower mids. Not perfectly analytical nor overly musical +- Best for pop and pop/rock - Lack of sub-bass detail, bass can be boomy - Impact not consistently...” --Shonen84
“Beyerdynamic's dtx60 is a dynamic driver iem sitting below the dtx80/100 in the range. It has a bass focussed sound which may be fine for some people but I don't enjoy massive bass when there is little definition which is what this earphone is lacking in that department. Mids and vocals are fairly well presented however and come across as good for the price. Highs to me seem harsh rather than...” --Marcus_C
“ Neutral sound, decent price, a combination you don't find very much in portables. Not the most comfortable after a while, but I don't think any in ear headphones ever are. If you are looking for mid priced headphones that sound excellent, these are it. ” --Crazy*Carl