1. Introdução
This manual provides detailed instructions for the proper installation, operation, and maintenance of your DROK Class AB Amplifier 2.1 Channel Audio Amplifier Board. This amplifier is designed to deliver 2x80W stereo output and 1x120W pure bass output, operating within a DC 9-18V power supply range. Please read this manual thoroughly before using the product to ensure optimal performance and safety.
2. Informações de segurança
- Certifique-se de que a fonte de alimentação voltage is within the specified range of DC 9-18V. Exceeding this range may damage the device.
- Observe correct polarity when connecting the power supply to prevent reverse-connect damage. The board includes input anti reverse-connect protection, but caution is still advised.
- Avoid short-circuiting the output terminals. The amplifier features output short circuit protection.
- Não opere o amplifier in excessively hot or humid environments. The device has over temperature protection (OTP).
- Mantenha o dispositivo longe de água e outros líquidos.
- Não tente desmontar ou modificar o amplifier board. Unauthorized modifications void the warranty and can lead to malfunction or injury.
- Ensure proper ventilation around the heatsink during operation to prevent overheating.
3. Recursos do Produto
- Vol de Trabalhotage: DC 9-18V
- Potência de saída: Max 2x80W Stereo (18V/4Ω), 1x120W Pure Bass (18V/2Ω)
- Canais: 2.1 Channels (Stereo + Subwoofer)
- Palestrantes recomendados: 2/4/6 / 8Ω
- Input Methods: 3.5mm Audio Input or 3P_2.54mm Terminal Input
- Recursos de proteção: Input Anti Reverse-Connect Protection, Output Short Circuit Protection, Over Current Protection (OCP), Over Temperature Protection (OTP).
- Qualidade de áudio: Designed to eliminate background noise for clear sound.
- Componentes: Features four 3300UF professional audio filter capacitors, a vehicle-level amplifier chip, gold-plated audio input terminal, and a pure black sealing potentiometer.
4. Especificações
| Parâmetro | Valor |
|---|---|
| Vol de Trabalhotage | CC 9 - 18 V |
| Maximum Output Power (Stereo) | 2x80W (18V/4Ω) |
| Maximum Output Power (Pure Bass) | 1x120W (18V/2Ω) |
| Impedância de alto-falante recomendada | 2/4/6 / 8Ω |
| Método de entrada | 3.5mm Audio Input or 3P_2.54mm Terminal Input |
| Recursos de proteção | Input Anti Reverse-Connect, Output Short Circuit, Over Current (OCP), Over Temperature (OTP) |
| PCB Size (Length*Width) | 72.36 mm * 66.65 mm |
| Overall Size (Radiator Included) | 72.36 mm * 96 mm * 27 mm |
| Potentiometer Rotating Handle Opening | 7 mm |
| Installing Hole Spacing | 25.4mm * 48.26mm (compatible for Bluetooth module spacing) |
| Installing Hole Size | M3 |
| Número do modelo do item | 200540 |
5. Identificação do componente
Refer to the images below for identification of the amplifier board's components and connection points.
Figura 5.1: Geral view of the DROK Class AB Amplifier board, showing the main components, heatsink, and the included connection cable.
Figura 5.2: Detalhado view do amplifier board, highlighting the 3.5mm audio input, 3P_2.54mm terminal input, speaker output terminals (L/R), and subwoofer output terminals.
Figura 5.3: Lado view with dimensions of the amplifier board, including the heatsink, showing its length, width, and height.
Figura 5.4: Careca view do amplifier board with detailed measurements for PCB dimensions and mounting hole spacing.
6. Instruções de configuração
- Conexão da fonte de alimentação: Connect a DC 9-18V power supply to the "DC12-18V" terminals on the board. Ensure correct polarity: '+' to positive, '-' to negative.
- Conexões do alto-falante:
- Connect your stereo speakers (Left and Right) to the "Speaker" terminals. Ensure correct polarity for each speaker.
- Connect your subwoofer to the "Sub+ Sub-" terminals.
- Recommended speaker impedance is 2/4/6/8Ω.
- Conexão de entrada de áudio: Escolha um dos seguintes métodos:
- Entrada de áudio de 3.5 mm: Connect your audio source (e.g., smartphone, MP3 player, computer) to the 3.5mm audio jack on the board.
- 3P_2.54mm Terminal Input: Alternatively, use the 3P_2.54mm terminal for audio input, connecting Left, Right, and Ground signals from your source.
- Inicialização: After all connections are secure, apply power to the amplifier. A green LED may illuminate, indicating power.
6.1 vídeo: An instructional video demonstrating the connection process for the amplifier board. This video shows how to connect power, audio input, and speakers to the DROK Class AB Amplifier. If the video does not load, please ensure your browser supports HLS streaming.
7. Instruções de operação
- Controle de volume: O amplifier features a single potentiometer for volume control. Rotate the knob clockwise to increase volume and counter-clockwise to decrease volume.
- Reprodução de áudio: Start playing audio from your connected source. Adjust the volume to your desired listening level.
- Equilíbrio sonoro: O amplifier provides a balanced mix for stereo and subwoofer outputs. There are no independent controls for subwoofer or stereo channels on this board.
8. Manutenção
- Limpeza: Use um pano macio e seco para limpar o amplifier board. Do not use liquid cleaners or solvents.
- Ventilação: Ensure the heatsink remains free of dust and obstructions to maintain proper cooling. Periodically check for dust buildup and gently remove it with compressed air if necessary.
- Conexões: Periodically check all connections (power, audio, speakers) to ensure they are secure and free from corrosion.
- Armazenar: Se armazenar o amplifier for an extended period, disconnect it from the power supply and store it in a dry, dust-free environment.
9. Solução De Problemas
| Problema | Possível causa | Solução |
|---|---|---|
| Nenhuma saída de som |
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| Som distorcido |
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| AmpO amplificador esquenta |
|
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10. Garantia e Suporte
DROK provides a 1-year long-term warranty guarantee from the date of purchase for this product. This warranty covers manufacturing defects and malfunctions under normal use.
For technical support, warranty claims, or any questions regarding your DROK Class AB Amplifier, please contact DROK customer service through the retailer where the product was purchased or visit the official DROK website para informações de contato.
Guarde seu comprovante de compra para validação da garantia.
