D900 Original US Imported Chip AC 220V 12V 24V Bluetooth Stereo Amplifier Board Subwoofer Karaoke

Specifications:Product name:2.1 channel Bluetooth amplifier boardProduct model:D900/D800Bluetooth version:5.0 (no shelter, 10m)Input sensitivity:500mVInput mode:Bluetooth +AUX+MICFM+USB+TFChannel number:2.1 channelPower amplifier chip:American imported chips/Ordinary power amplifierlCAdaptive power supply:DC 12~24V/5Aor above(The higher the voltage, the greater the outputpower)Adapting horn:20~100W,4~8 0hmsOutput rating:Left and right channels <50M, subwoofer < 100W.Defense mechanism:Overvoltage,undervoltage,overheating AC/DC detection and short circuit protectionHeat sink size:502510(mm)Product weight:680gProduct size:2608575(mm)Package Included:D900/D800 amplifier board1 Remote control1 Power cord l No.7 dry battery2 DC line *1Note：Only when the audio input is sufficient and the power supplyvoltage/current is sufficient will there be enough output power!The higher the power supply voltage, the greater the output power, the smaller the horn impedance andthe greater the output poPlease ensure that the power of the adaptive power supply is greater than the actual working power ofthe power amplifier