Heco Victa 200. Tweeter size: 20 mm, Mid-range driver size: 120 mm, Magnet type: neodymium. Frequency range: 36 - 38000 Hz, Impedance: 4 Ом, Crossover frequency: 3500 Hz. Type: Bookshelf, Dimensions (WxDxH): 165 x 230 x 265 mm, Audio output channels: 2.0