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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