“Introduction: Before I begin this review, I would like to point out that I have owned two of these headphones. The first unit was a used pair that seemed to have more damage than Amazon Warehouse suggested, and my current unit, I purchased for $100. This was a total bargain, and I would argue that it is worth the price - provided you can deal with the complaints that I have for these...” --Dragonzeanse
“ Introduction: This was an impulse purchase. Not that it was hyped much (trust me, it isn’t), I just wanted to buy an on ear headphone, and these sort of showed up. They’re relatively new so I wondered if they’d be a diamond in the rough among some pretty stiff competition (V-Moda M80, UE6000, Martin Logan Mikros 90, ATH M50, ATH WS99, MDR -1R, and many many more). ...” --Trunks159
“ The PK3 is a great, warm earbud. It does vocals especially well because it is very mid-focused. It has impressive bass extension, not especially strong impact; the trebles are smooth and may roll off too soon for clarity and detail nuts. But the mids are what the PK3 are all about. ” --kmhaynes
“ Got these at Amazon after a long search and much reading. Sound for the price is really good. Not in the same league with my Sony Pros or the Sennheisers but surprisingly close. I have them connected with a REALLY cheap headphone amp and the combo far exceeds what I expected. Clear, roomy, dead quiet. ” --Richard S
“ These were my sweetest sounding head-gear yet. It would be brilliant all-rounder if it would not require a portable amp for portable use. This is the first reason i left it, otherwise i almost got an ear infection from those foams.., they get dirty in a few weeks of massive use. I recommend them to clean, i boiled them in water. ” --angevoi
“Design: The body of these buds are really large, especially the driver portion which I feel is fairly thick. They are comfortable if the large drivers do fit on the outer portion of your ear but people with small ears will probably experience some discomfort. The detachable cables are a dual pronged sword. Its nice that you can switch out the cables if you want to, but as I have experienced...” --theinvertedsky
“ Well firstly this is not a true iem. The sound is about as great as one could get from an earbud. In my limited experience and without trying the pk1, I would say these are the finest buds you can buy. With that said, these are not for everyone, this is a niche product within an already niche market. I find driving it with my D12 anaconda makes for a pleasurable sound,...” --Jamesdeandoa
“ Overall I have been satisfied with these phones. I would not recommend paying full price for them like I did. ” --Skoch
Escape into your own private universe with Onkyo's ES-CTI300 Headphones and still be free to take calls instantly. These headphones (in silver) combine precision hi-fi technology from the world's premier audio brand with an iOS-Certified 6N copper cable designed to control media playback and accept or reject calls from compatible Apple devices. Large titanium drivers reproduce an...
Discover the award-winning sound of Onkyo in-ear headphones with the added convenience of an inline cable controller for Apple devices. Now you can skip tracks, make volume adjustments, and accept or reject calls at the touch of a button on the cable. As a premium hi-fi product, the detachable cable features an oxygen-free 6N copper core sealed in transparent elastomer to reduce tangles and...