Shure KSE1500 Electrostatic Earphone System Price: $2,999.00 (as of 20/05/2019 17:09 PST- Details)

The first application of electrostatic technology for Sound Isolating Earphones (patent pending) featuring a single MicroDriver design
Extremely high correlation to the source audio provides unmatched audio clarity and detail. Frequency Response 10 Hz to 50 kHz
4-band parametric EQ features five preset settings and four customizable settings to manage audio playback preferences