“Looking at the picture of the PK3's I wasn't expecting much. They look and feel cheap using a generic case for the drivers. First I tried them without the foam covers and they sounded awful. I originally thought I had been sold a pair of fakes but after using them with the full cover foams I am impressed. they have good definition and separation in the mid and high frequencies. The bass is...” --thebluebulk
“ 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
Visang R02 is an earphone with equilibration. The high, medium, and low frequency distribution is average. It works well and grabbed a frequency and not to influence another frequency. The sound is up, good clean and fresh. This earphone sound great for the price. Their sound quality easily compares with products costing 2-3 times as much. Isolation and comfort levels are also very good. A...
VS-K1 is a tri-band silver-line balanced-ear ,cavity use all-metal cutting process excellent resolving power, high elongation, low-frequency elastic density superb, Naiting sound is a highthe quality of the HI-FI headphones.It is suitable for all kinds of music to listen and popular vocal jazz rock.
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.
The R03 is an up-market professional-level earphone from well-known Chinese manufacturer ViSang. With quality materials used all-around, the build of the R03 is as venerable as the sound. Metal shells and a Cu-Ag alloy cable ensure longevity while the 10.7mm dynamic driver delivers crisp, powerful, and engaging sound. A uniquely patterned cable sheath provides flexibility and reduces cable...
Technical Details * Impedance:32 ohm(at 1KHz) * Frequency response: 20-20,000Hz * Sensitivity:120 dB (at 1KHz) * Max Input Power: 400 mv
“ 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
“ Overall I have been satisfied with these phones. I would not recommend paying full price for them like I did. ” --Skoch