PK2 earphones are the low impedance version of PK1. Although not as good as PK1, PK2's sound signature is similar to PK1. You don't have to drive PK2 with an expensive head-amp. If you are looking for something with high performance/price ratio, PK2 might be the best choice.
In-ear 8mm high definition wodden headphone with passive noise isolation. Now comes with a one button Mic for call music control. Features crisp highs with balanced bass and mids for the discriminating listener. Works with iPhone, iPod, MP3, CD, DVD, PSP and computers. Wooden housing for crisp, accurate music reproduction. Available in two beautiful finishes, Black Chocolate and Silver Cherry...
“ 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
“ 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
“ 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
“ Overall I have been satisfied with these phones. I would not recommend paying full price for them like I did. ” --Skoch
thinksound ms01 in-ear monitor features an acoustically enhanced, 8mm high-definition driver with passive noise isolation. It was voiced by critically acclaimed Audio Engineer and thinksound CEO, Aaron Fournier, and designed in collaboration with Grammy winning musicians and producers. The result is a headphone with advanced studio acoustics and a full range sound that delivers exactly what the...