1. Кіріспе
This manual provides detailed instructions for the setup, operation, and maintenance of your diymore PAM8403 Wireless Bluetooth 4.0 Stereo Audio Receiver Module. This compact digital amplifier board is designed for various audio applications, offering clear stereo sound output.
Негізгі ерекшеліктері:
- Mini design for compact integration.
- Produces loud and clear sound with a strong sense of hierarchy.
- Ultra-small size for versatile applications.
- Қарапайым орнату процесі.
- Wide application range.
- High quality and stability.
2. Қауіпсіздік туралы ақпарат
Модульді пайдаланбас бұрын келесі қауіпсіздік шараларын оқып, түсініп алыңыз:
- Қуат көзі көлемін қамтамасыз етіңізtage is within the specified range (DC 5V). Incorrect voltage модульді зақымдауы мүмкін.
- Avoid short-circuiting the power terminals or speaker outputs.
- Do not expose the module to moisture, extreme temperatures, or static electricity.
- Handle the module with care to prevent damage to components.
- Балалардың қолы жетпейтін жерде сақтаңыз.
3. Пакет мазмұны
Пакетке мыналар кіреді:
- 1 x diymore PAM8403 Wireless Bluetooth 4.0 Audio Receiver Steady Digital Ampөмірлік тақта
4. Орнату нұсқаулары
4.1 Модуль біттіview
Familiarize yourself with the module's layout and connection points.

1-сурет: Жоғарғы View of the PAM8403 Module (Model HW-332-CB)

2-сурет: Төменгі View with Power and Speaker Connections
4.2 Қуат қосылымы
The module requires a DC 5V power supply. Connect power using one of the following methods:
- Микро USB порты: Connect a standard Micro USB cable to the module's Micro USB port and to a 5V USB power source (e.g., a USB wall adapter, power bank, or computer USB port).
- Solder Pads: For custom installations, you can solder wires to the '+5V' and 'GND' pads on the bottom of the board (refer to Figure 2). Ensure correct polarity.
Caution: Do not exceed 5V input voltage. This module is not designed for charging batteries directly via the Micro USB port.
4.3 Динамикті қосу
The module supports two 3W speakers with an impedance of 4-8 ohms. Connect your speakers to the dedicated output terminals:
- Сол жақ арна: Connect the left speaker's positive (+) terminal to 'L+' and negative (-) terminal to 'L-'.
- Оң жақ арна: Connect the right speaker's positive (+) terminal to 'R+' and negative (-) terminal to 'R-'.
A common connector type for these terminals is the XH2.54 JST 4-pin wire connector. Ensure proper polarity for optimal sound quality.
4.4 Монтаждау
The module features 3.0mm mounting holes for secure installation into your project enclosure or surface.
5. Пайдалану нұсқаулары
5.1 Қосу
Once the power supply is connected, the module will power on. A status LED on the board will typically blink, indicating it's ready for Bluetooth pairing. You may also hear an audible prompt.
5.2 Bluetooth жұптастыру
- Ensure the module is powered on and the status LED is blinking.
- On your Bluetooth-enabled device (e.g., smartphone, tablet, computer), navigate to the Bluetooth settings.
- Scan for available devices. The module should appear as "HW-332-CB" or a similar identifier.
- Select the module to initiate pairing.
- Once paired, the status LED on the module may change to a solid light or a slower blink, and you might hear a confirmation tone.
If you experience issues, ensure no other devices are currently connected to the module and try re-pairing.
5.3 Аудио ойнату
After successful pairing, any audio played on your connected device will be transmitted wirelessly to the module and output through the connected speakers. Adjust the volume from your source device.
6. Техникалық сипаттамалар
| Ерекшелік | Техникалық сипаттама |
|---|---|
| Үлгі | PAM8403 (HW-332-CB) |
| Түр | Module (Digital Ampөмір сүруші) |
| Bluetooth нұсқасы | 4.0 |
| Жабдықтау көлеміtage | Тұрақты ток 5 В |
| Шығу қуаты | 3W + 3W Stereo |
| Динамик кедергісі | 4-8 Ом |
| Таралу күші | 3W |
| Жұмыс температурасы | -10°C - 65°C |
| Тесік диаметрі | 3.0мм |
| Қолданба | MP3/MP4 Player, DIY Audio Projects |
| Пакет түрі | SOP |
| Шығу тегі | Материк Қытай |
7. Техникалық қызмет көрсету
The diymore PAM8403 module requires minimal maintenance. To ensure longevity and optimal performance:
- Модульді таза және шаң мен қоқыстан таза ұстаңыз. Тазалау үшін жұмсақ, құрғақ матаны пайдаланыңыз.
- Avoid exposing the module to liquids or corrosive substances.
- Пайдаланбаған кезде модульді құрғақ, салқын жерде сақтаңыз.
- Do not attempt to modify the circuit board unless you are a qualified electronics technician.
8. Ақаулықтарды жою
| Мәселе | Ықтимал себебі | Шешім |
|---|---|---|
| Дыбыс жоқ немесе өте төмен дыбыс |
|
|
| Bluetooth device cannot find the module |
|
|
| Static or electric noise in audio |
|
|
| Loud voice prompts during power on/connection | This is a characteristic of the module. | There is no direct control over the volume of voice prompts on the module itself. Adjust overall system volume after connection. |
9. Пайдаланушы кеңестері
- Нәр беруші: While some users inquire about 3.7V, the module is specified for DC 5V. Adhering to the specified 5V input is crucial for optimal performance and to prevent damage.
- Батареяны пайдалану: If you plan to power the module with a 18650 battery or similar, use a dedicated battery charging module. The Micro USB port on the PAM8403 module is for power input only, not for charging external batteries.
- Динамик қосқышы: For reliable speaker connections, consider using an XH2.54 JST 4-pin wire connector for the speaker output terminals.
- Стерео шығыс: This module provides stereo audio output (two channels), despite some user confusion. Ensure your speakers are connected correctly for left and right channels.
10. Кепілдік және қолдау
For further technical details, diagrams, or specific support, please refer to the official user manual PDF provided by the manufacturer. A digital copy of the user manual can be found at: Пайдаланушы нұсқаулығы (PDF).
Please contact your retailer or the manufacturer's support channels for warranty claims or additional assistance.





