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,...
"Yamaha HPH-MT8 studio monitor headphone - application area: studio, music production and listening to music, foldable, over-ear-design, closed-back, 37 ohms impedance, frequency range: 15 - 28000 Hz, maximum input power..."