Gold-8403C Bluetooth stereo Amplifier Module 5V
The Gold-8403C Bluetooth stereo Amplifier Module 5V based on the PAM8403 Class-D audio amplifier IC. It combines a Bluetooth audio receiver and a dual-channel amplifier on a single board, allowing you to stream music wirelessly and drive two speakers directly.
Operating from a standard 5V DC power supply, the module delivers up to 3W + 3W output power with excellent efficiency and low heat generation. The PAM8403 features a filterless Class-D architecture with built-in thermal shutdown and short-circuit protection, making it suitable for portable speakers, DIY audio projects, Bluetooth speakers, and compact sound systems.
Features:
- Bluetooth wireless audio receiver.
- Based on PAM8403 Class-D amplifier IC.
- Dual-channel stereo output.
- Output power up to 3W + 3W.
- High efficiency up to 90%.
- Supports 4Ω and 8Ω speakers.
- Low distortion and low noise.
- Filterless architecture.
- Built-in thermal protection.
Specifications:
| Parameter | Value |
|---|---|
| Product Model | Gold-8403C |
| Amplifier IC | PAM8403 |
| Amplifier Class | Class D |
| Operating Voltage | DC5V (2.5VDC-5.5VDC) |
| Output Power | 3W+3W@4Ω,10%THD+N |
| Bluetooth Version | 5.0 |
| Audio Decoding | SBC |
| Speaker Impedance | 4Ω-8Ω |
| Protection | Short-Circuit, Over-Temperature |
| Board Dimensions | 34mmx20mm |
| Mounting Type | Through-Hole/Solder |
Wiring Diagram:
Applications:
- Bluetooth speakers.
- Portable audio systems.
- DIY wireless speakers.
- Desktop speakers.
- Arduino audio projects.
- Raspberry Pi audio projects.
- MP3 player amplifiers.
- Small home audio systems.
- Educational electronics projects.
Package Include:
1x Gold-8403C Bluetooth stereo Amplifier Module 5V






