Heco Victa 300. Tweeter size: 20 mm, Mid-range driver size: 170 mm, Woofer size: 170 mm. RMS rated power: 80 W, Peak Music Power Output (PMPO): 140 W, Frequency range: 34 - 38000 Hz. Width: 230 mm, Depth: 305 mm, Height: 345 mm. Packaging width: 510 mm, Packaging depth: 367 mm, Packaging height: 420 mm. Type: Bookshelf, Audio output channels: 2.0, Material: MDF