Headphone Circumaural, Dynamic, Open, GTC driver technology, S-Logic EX and ULE technology, MU-metal shielding, 40 mm Transducer titanium coated with NdFeB magnet, Impedance: 40 ohms, Frequency range: 5 - 48,000 Hz,...

Shure KSE 1500, electrostatic InEar-System with Single-Microdriver earphone and DAC-preamp, highest sound qualitiy, ultrathin membrane, Kevlar reinforced cable for a long lifetime, 10 - 50.000 Hz, 113 dB SPL max,...