D800 2.1 Channel Bluetooth Stereo Multi-function Digital Amplifier Board High And Low Pitch Subwoofer High Power 5.0 Bluetooth Reverberation Rechargeable Microphone Karaoke

Specifications:Product name:2.1 channel Bluetooth amplifier boardProduct model:D800/D1500/D900/D100Bluetooth 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:D800/D1500/D900/D100 amplifier board1Remote control1Power cord lNo.7 dry battery2DC line *1Notice:Only when the audio input is sufficient and the power supply voltage/current is sufficient will there beEnough output power!The higher the power supply voltage, the greater the output power, and the smaller the speaker impedance, the greater the output power!Please make sure that the power adapter is greater than the actual working power of the amplifier!