Power Rating (RMS): 30 watts continuous; 40 watts equalized Frequency Response: 225 Hz to 14 kHz Impedance: 25/70 volts Sound Pressure Level: 121 dB @ four feet on axis with 30 watt input @ 1000 Hz, each horn Dispersion: 100º each horn Sensitivity as Microphone: -22 dBm [Ref: 10 dynes/cm2] Dimensions: 9-5/8" Diameter (each horn) x 12-1/8" D Product Weight: 7 lb. Finish: Textured mocha enamel Impedance Selector Switch Settings: 25V @ 15, 7.5, 3.7, 1.8 watts 70V @ 30, 15, 7.5, 3.7, 1.8 watts Sound Pressure Level in dB @ 1000Hz: Watts ------- Feet on Axis Input: ---- 4'- 8'- 16'- 32'- 64' 30.0W -- 121 115 109 103 97 15.0W -- 118 112 106 100 94 7.50W -- 115 109 103 97 91 3.70W -- 112 106 100 94 88 1.80W -- 109 103 97 91 85