16SpecificationsInput SensitivityPassive Input 100 k Ohms 20 mv.Active Input 100 k Ohms 60 mv.Rated Output Power 350 watts @ 4 ohmsTotal Harmonic Distortion less than .5%Signal To Noise Ratio approx. 78 dBmEqualizerContour Low Pass ±18 dB @ 100 HzContour High Pass ±18 dB @ 10 kHzTen-Band Graphic ±15 dB, center detented@ 30 Hz, 64 Hz, 125 Hz, 250 Hz, 500 Hz,1 kHz, 2 kHz, 3 kHz, 5 kHz, 8 kHzCompression Ratio 2:1 to infinitySend Output Level 0 dBMReturn Input Level 0 dBMSpeaker System Impedance (Ohms) 4 Ohms ImpedanceLow Frequency Drivers 4-10" Special Design 16 ohm, 100 watt Speakers,High Frequency Driver 1” Throat Compression DriverWeight 106 lbs. (48 kg)Dimensions Height:29.75" (75.5 cm)Width: 25.5" (64.8 cm)Depth: 15" (38.1 cm)