Magnat Quantum 603. Loudspeakers: 25 mm, 170 mm. Audio: 30 - 55000 Hz, 4 Ом, 91 dB, 3.200 Hz. Colour: Wood. Weight & dimensions: 7700 g. Other features: Floor-standing speakers, 195 x 300 x 365 mm, 2.0, woofer-midrange, dome-tweeter