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
“ 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
Technical Details * Impedance:32 ohm(at 1KHz) * Frequency response: 20-20,000Hz * Sensitivity:120 dB (at 1KHz) * Max Input Power: 400 mv
“ 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
“ TFTA-2100-2V1S Review Brief version is at the end Thanks to TFTA.EU for the sample. First impressions: Well my first thought is this thing needs a better name because I can’t see any one remembering it. My second is that these very much are reminiscent of the Denon C751 to look at and I can see a comparison coming. Actually...” --mark2410
“ Intro This is a review of the TFT Acoustics - TFTA 1XB. These are TFTA’s flagship IEMs, costing ~AUD$150. This puts them at somewhat upper mid-level IEMs. The 1XB and the 1VS are TFTA’s two high end models where the 1XB is tuned to produce more sub-bass. Out of the box, they sounded pretty open, probably due to the small vent but the bass dominated the spectrum. I allowed them to...” --navmau
“ Here are the high end earbuds from the British company RMXdirect Limited (there is a cheaper model called TFTA 1200-V1). TFTA is short for Thin Film Technology Accoustics. The earbuds are advertised in the following way: "Thin Film Technology is a passive dynamic-balancing system, combining acoustic know-how and material knowledge achieved by placing a thin film inside the housing....” --Danneq
Engineered by professionals for professionals. The metal housing relays an honesty not heard before with in-ear headphones. The accuracy and clear audio reproduction and a frequency range that is wider than any other comparable headset on sale today at this price. The tight fitting bud automatically creates noise isolation and extraneous noise is all but eliminated. Full frequency treble,...