“ Introduction LEAR (an acronym of "Listen & Learn Everything. Acoustic & Audio Revolution) is a Hong-Kong based audio-products manufacturer founded in 2008 (which has recently also opened an HQ in Japan). The company makes portable headphone amplifiers, some different types of cables and adapters and also custom-fit in-ear-monitors ("CIEMs"), but in the past, they've also made...” --ItsMeHere
“ 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
“ 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
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 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
Technical Details * Impedance:32 ohm(at 1KHz) * Frequency response: 20-20,000Hz * Sensitivity:120 dB (at 1KHz) * Max Input Power: 400 mv
“ Overall I have been satisfied with these phones. I would not recommend paying full price for them like I did. ” --Skoch
“ Lear LCM-2B (all pictures can be clicked to open full sized version) Custom IEMs these days come in all shapes and sizes. With literally dozens of manufacturers out there, one can choose from any number of configurations – acrylic or silicone, full shell or canal-sized, armature or dynamic driver (or combination of the two), single...” --project86