Apart SPH-16 2- way sphere speaker, white, 16/25 Watt (sinus/music), speaker-impedance 8 Ohms Transformer Power Tappings: 4 / 8 / 16W, 5,25"/1" koax system, frequency range: 80 Hz - 20 kHz, dimension (Dia.): 180 mm, weight: 1,6kg, Cable: 3m with metal safety cord