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 musicDual maicrophone inputEasy operationUse internal magnetic antenna, enhancing
the radio reception effectSpecifications: Performance
IndexVoltage: DC 12V
AC220VName: power
amplifierModel: KA-638CMain
channel frequency repsonse: 20-20KHz(-
1.0 dB)Harmonic distortion: lt; 0.5 % (1kHz)
SNR: gt
; 71dBSpeak impedance: 4-16ohmTreble
control: plusmn; 10dB (10kHz)
Bass control: plusmn; 10dB (100kHz)
Channel separation: gt; 40dB (1kHz)
Product size: 300 x 190 x 65mm
Karaoke SectionInput sensitivity: lt
; 20mVFrequency response: 200Hz-8KHzDelay
time: 59ms-198msEcho
deepness: adjustableInput
impedance: 600Omega; MAX.
Power Output: Front
main channels: 40W+40W(8Omega;, RMS)
Package Included: 1 x Qinxwz KA-638C Amplifier1 x User manual