Components:BF: 88 mmHF: 13 mmFrequency response: 85 Hz - 22 kHzAmplifier power: 50 WDispersion: 90 H x 90 VSensitivity 1 W / 1 m: 86 dBNominal Impedance: 8 ohmsDimensions (h x W x D) mm: 193 x 140 x 111Weight: 1.8 kgPackaging per pair.