ELECTROVOICE ZXA1-100 Compact Amplified Speaker - White Freq. Response1 (-3 dB) - 60 Hz - 20 kHz / Freq. Range1 (-10 dB) - 48 Hz - 20 kHz Maximum Calculated SPL - 123 dB Horizontal Coverage - 100 degrees Vertical Coverage - 100 Degrees Amplifier Power Output - 800 Watts