D800 D900 2.1 Channel Bluetooth Audio Amplifier Board 50W Subwoofer 100W HiFi Wireless Speaker Support AUX USB TF Card

D800 and D900 have the same functions the difference lies in the chip D900 is an imported chipSpecifications Product Name 2 1 Channel Bluetooth Power Amplifier BoardModel D800 D900Bluetooth Version 5 0 Up to 10 meters no obstruction Input Sensitivity 500mVInput Methods Bluetooth AUX MIC FM USB TF CardOutput Power LeftRight Channels50W each Subwoofer100WCompatible Speaker Range 20W 100W 4 8 ohmsProtection Mechanism Overvoltage undervoltage overheating AC DC protection short circuit preventionCompatible Power Supply DC 12V 24V 5A or higher Higher voltage increases output power Thermal Fin Size 50mm x 25mm x 10mmProduct Dimensions 260mm x 85mm x 75mmFeatures 1 Versatile Input OptionsSupports Bluetooth AUX MIC FM USB and TF card input for seamless integration with various audio formats and playback devices 2 Advanced ChipsetBuilt with a premium amplifier chip ensuring high fidelity sound quality and stable performance 3 Adjustable Audio ControlsIndependent volume adjustment for microphone and main audio along with bass and treble tuning for personalized listening 4 Premium Build DesignFeatures a high end brushed aluminum alloy surface panel for a sleek and professional look ideal for home or professional audio setups 5 Wide Voltage Range CompatibilitySupports AC 110V 240V input making it suitable for use in multiple regions and power setups Package Included 1 x D900 Power Amplifier Board1 x DC Cable1 x Connection Line1 x Remote Cont