Visaton WB13 White, Speaker, Power rating: 50 W/80 W, 25; 15; 7.5; 4; 2 W / 8 Ohm, SPL: 91 dB (1 W/1 m) @6108 Hz, IP 54, 2-Way compact speaker with sturdy plastic housing, Equipped with one 13 cm woofer and one tweeter for a wide frequency range, 100 V operation via built-in transformer and 8 Ohm operation