\nhttp://www.gmb.nl/item.aspx?id=7828 \nFeatures:\n\nCompact stereo headphones with microphone\n\nComfortable, adjustable headband\nSoft ear cushions\n3.5 mm stereo plug \n\nSpecifications:\n\n\n\n\n\nImpedance: 32 ohm\n \n\n\nFrequency response: 20 - 20000 Hz\n \n\n\nSensitivity: 108 dB\n... przeczytaj całość