For sale: Technics RP-F400 headphones - 2002. Frequency response 8 - 27000 Hz, sensitivity 102 dB/mW, impedance 40 Ohm, diaphragm 40 mm, weight 175 grams, 3-meter cable. Originally 90 euros, then 50 euros. Improved headband rubber, replaced foam, washed ear pads. Excellent sound, neutral, slightly bright. Good bass, wide sound. Belgrade, Zemun, 3500 dinars