JBL SPYRO Black, HARMAN MULTIMEDIA. Magnet type: neodymium. RMS rated power: 36 W, Frequency range: 40 - 20000 Hz, Impedance: 5000 Ом. Driver cone material: Aluminium. Type: Bookshelf, Audio output channels: 2.1, Subwoofer dimensions (WxHxD): 140 x 200 x 200 mm