FBT Ventis 110, Passive 2-way loudspeaker, Loudspeaker configuration: 10"" Woofer, 1"" tweeter, Continuous power: 150 W, Recommended amplifier power: 300 W, Nominal impedance: 8 Ohm, Frequency range: 60 - 18,000 Hz (-6 dB), Sensitivity: 97 dB (1 W / 1 m ), Maximum SPL: 127 dB, Beam angle (typical): 80° x 50°