Low impedance YUIN earphones, 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.
Hifi headphone grade sound stageTransparent, smooth soundComfortable traditional design, NOT in-the-earUltra low distortion, low impedance for high grade portable audio
Impedance:16±2.5ohm(at 1KHz)Frequency response: 20-20,000HzSensitivity:108±3dB(at 1KHz)Distortion: less than 0.2%
PK2 earphonesFoam eartipsStorage boxsY cord, 6ft
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