Celestion F12M-150 Triple Cone, Loudspeaker, Size: 12", Designed for use with amp modellers and IR-based guitar amps, With 2 additional tweeters integrated into the main woofer, Impedance: 8 Ohm, Frequency range: 60 - 12,000 Hz, Power output: 150 W, Sensitivity: 97 dB, Weight: 3.6 kg