Amplifier Specification :Power Source : 220-240V 50/60HzDC : 24V (car battery)Power Output : 200+200Power Consumption : 310V A3Frequency Response : 50Hz-18,000hz+3dBTone Control Bass : +8dB at 100HzSignal to Noise Ratio : 60dB-17Speaker Output : 40,80,70V and 100V Salt ETAMic Specification :Type - Dynamic moving coilUnidirectional MicrophoneSensitivity - 2 mv/paFrequency Response - 50-16000 HzMaterial: MetalMic Stand Specification :Height : 38cm/15Boom Arm Length : 15 InchBase diameter : 43.18 cm/ 17 inchMaterial : Metal15TG Speaker Specification :Input Power : 15W Rms/ 100W PMPOImpedance/Voltage : 8 /100VFrequency Response : 150-10KHzSPL : 1kHz 92dB/1W/1mSpeaker : 6 x 4Taping : 2.5W,5W,15W10T G Speaker Specification :Input Power : 10W Rms/ 100W PMPOImpedance/Voltage : 4 /100VFrequency Response : 150-10KHzSPL : 1kHz 92dB/1W/1mPackage Includes :1x 2 Zone (200+200) Amp12x 15W Speakers20x 10W speakers1x Mic + Wire +clip + pouch1x desk mic stand