Components:LF 18 inch, MF 10 inch, HF 2 x 1.75 inch Type:Active MF Rated Power (RMS):350 W AES HF Rated Power (RMS):150 W AES Frequency Range:60 Hz - 20 kHz (+-3dB) MF Maximum Peak (SPL):128 dB peak, @1m LF Maximum Peak (SPL):135 dB peak, @1m Application:Outdoor Performance,Indoor Show Hall,Shake It Slow,Band Amplification