D800 and D900 have the same functions, the difference lies in the chip，D900 is an imported chip

Specifications:
Product Name: 2.1-Channel Bluetooth Power Amplifier Board
Model: D800 / D900
Bluetooth Version: 5.0 (Up to 10 meters, no obstruction)
Input Sensitivity: 500mV
Input Methods: Bluetooth, AUX, MIC, FM, USB, TF Card
Output Power: Left & Right Channels < 50W each, Subwoofer < 100W
Compatible Speaker Range: 20W - 100W, 4–8 ohms
Protection Mechanism: Overvoltage, undervoltage, overheating, AC/DC protection, short-circuit prevention
Compatible Power Supply: DC 12V–24V / 5A or higher (Higher voltage increases output power)
Thermal Fin Size: 50mm x 25mm x 10mm
Product Dimensions: 260mm x 85mm x 75mm

Features:
1.Versatile Input Options
Supports Bluetooth, AUX, MIC, FM, USB, and TF card input for seamless integration with various audio formats and playback devices.
2.Advanced Chipset
Built with a premium amplifier chip, ensuring high-fidelity sound quality and stable performance.
3.Adjustable Audio Controls
Independent volume adjustment for microphone and main audio, along with bass and treble tuning for personalized listening.
4.Premium Build Design
Features 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 Compatibility
Supports AC 110V–240V input, making it suitable for use in multiple regions and power setups.


Package Included:
1 x D900 Power Amplifier Board
1 x DC Cable
1 x Connection Line
1 x Remote Control