Technical Details * Impedance:32 ohm(at 1KHz) * Frequency response: 20-20,000Hz * Sensitivity:120 dB (at 1KHz) * Max Input Power: 400 mv
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.
“ 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
“ 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
“Package: E212 iems 3 pairs of red silicone tips Hard case cable manager Build Quality: Excellent build quality with a great cable. It's light and stay in place very well when at the gym. Isolation: Amazing for me. Fits very well and never had a problem getting good isolation Comfort: one of the best. Comparable to Vsonic GR06/GR07,...” --TekeRugburn
“ Overall I have been satisfied with these phones. I would not recommend paying full price for them like I did. ” --Skoch
“ 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 introducing of Popular : Popular is a pair IEMs specially designed for the “modern style” music. Popular feature an impactful bass, upfront vocal and detailed highs. With the drum shape chamber design, it has exceptional bass reaction. It’s bass is huge in quantity and high in quality. It’s bass is clear and controlled. The mids are warm and layered with a slightly...