Professional PA Amplifier w/Bulit In DVD/CD/MP3/USB/70v Output: With USB Port, DVD Player (Anti-Shock) Compatibility with DVD/CD/CD-R/CD-RW/MP3 Output Regulation: Less than 2dB no Load to Full Load Speaker Output: 4 Ohm(20V) 8 Ohm(28.3V) 16 Ohm(40V) 70V Line Out: 1V 0.3V Frequency Response: 20Hz a 20Khz Harmonic Distortion: 1% S/N Rotie: < 75dB 2 Mic Input with Volume Control 1 AUX Input with Volume Control DVD/AUX Volume Control 400 Watts Indicator: LED Output Level Master AC Power Supply: 110-127/220-240 AC 50/60 Hz DC Power Supply: 12V or 24V Battery

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