Genelec 8050 BPM, 2-Way Active Studio Monitor, Linear frequency response: 38 - 20,000 Hz (± 2 dB), 205 mm (8"") Woofer, 25 mm (1"") Metal Dome Tweeter with DCW, Amplifier power: 150 W + 120 W, SPL: 120 dB (peak per pair with music material at 1 m distance), Bass reflex housing made of aluminium, Switchable