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Qinxwz KA-638C 2CH 80W UV Meter Amplifier Karaoke Mixer Support Memory Card USB Microphone

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                  Features:
                   
                  USB / SD card direct reading function: download favorite songs into USB / SD card and insert the card in amplifier, the amplifier can directly play MP3 music
                  Dual maicrophone input
                  Easy operation
                  Use internal magnetic antenna, enhancing the radio reception effect
                  Specifications:

                   
                  Performance Index
                  Voltage: DC 12V AC220V
                  Name: power amplifier
                  Model: KA-638C
                  Main channel frequency repsonse: 20-20KHz(-1.0dB)
                  Harmonic distortion: <0.5%(1kHz)
                  SNR: >71dB
                  Speak impedance: 4-16ohm
                  Treble control: ±10dB(10kHz)
                  Bass control: ±10dB(100kHz)
                  Channel separation: >40dB(1kHz)
                  Product size: 300 x 190 x 65mm
                   
                  Karaoke Section
                  Input sensitivity: <20mV
                  Frequency response: 200Hz-8KHz
                  Delay time: 59ms-198ms
                  Echo deepness: adjustable
                  Input impedance: 600Ω
                   
                  MAX. Power Output:
                  Front main channels: 40W+40W(8Ω,RMS)
                   
                  Package Included:
                   
                  1 x Qinxwz KA-638C Amplifier
                  1 x User manual 

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