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Feature

This is an upgrade version with AUX port and power switch. TDA7492 digital amplifier with AUX input and power switch; Designed to optimize circuit layout, which can offer excellent sound output and high power.
With its DIP switch, it will be more convenient to adjust its post circuit gain, which can drive speakers with higher impedance.With its DIP switch, it will be more convenient to adjust its post circuit gain, which can drive speakers with higher impedance.
Audio Input: 3.5mm AUX input; Adopting CSR8635 Bluetooth chip, which can support Bluetooth stereo audio input.
Output Impedance: 4/6/8/16 ohms speakers supported (8 ohms would be best); Output Power: Adding front-end circuit 5532 to ensure its high output power.
Power Supply: 2.1 interface 8~25V DC power supply; Wrong polarity will burn its chip, please note.

Description

Instruction:

• AUX Input: Connecting it with a 3.5mm audio line;
• Bluetooth Input: After powering the board, please wait 3~10s until its led is flashing between blue and red. Then using your device to find and connect the board.

Package Includes:

1 * Amplifier Board