High end MB Quart 280 speakers set. Speakers have been tested and fully operational. All pictures are original of this lot and part of description so what you see is what you get ! More info about the speakers you can check the reference here . SPECS: Construction: 2-way closed, compact loudspeaker Chassis: Woofer: 1x MBT 205 205 mm cone 4 ohms (95-6398) Both versions. Tweeter: 1x MCD 25 25 mm titanium dome 8 ohms (95-6397) 1e version: same height as wide. Tweeter: 1x MCD 26 25 mm titanium dome tweeter 8 ohms (95-6554) 2e version: slightly wider than high. Power handling (nominal/music wattage): 80 / 110 watts Efficiency: 90 dB, operating power: 6.25 watts (according to brochure, presumably for 90 dB/3m) Efficiency: 2 watts (90 dB/1m) 2e version. Frequency response: 1st version: 40 - 32,000 Hz, 2nd version 41 - 32,000 Hz Crossover range: 1,500 Hz / 12 dB/octave Impedance: 4 Ohm