The 5W Single Audio Amplifier Module is a compact mono digital audio player and amplifier that combines Bluetooth (model dependent), USB, TF (Micro SD) card, AUX input, and FM radio with a built-in 5W Class-D amplifier. It is ideal for DIY portable speakers, Bluetooth speakers, educational projects, multimedia systems, voice announcement devices, and hobby electronics.
Features
- Full Name: 5W Single Channel Audio Amplifier MP3/FM Decoder Module
- Built-in 5W mono audio amplifier
- USB flash drive playback
- TF (Micro SD) card support
- AUX audio input
- FM radio receiver
- Bluetooth audio streaming (Model Dependent)
- Front-panel playback controls
- Compact and easy-to-install design
Specifications
| Specification | Value |
|---|---|
| Product Type | Mono Audio Amplifier Module |
| Amplifier Type | Class-D Digital Amplifier |
| Output Power | 5W (Mono) |
| Operating Voltage | 5V DC |
| Recommended Power Supply | 5V / 2A |
| Audio Channels | 1 (Mono) |
| USB Support | Yes |
| TF Card Support | Yes (Micro SD) |
| AUX Input | 3.5 mm Audio Jack |
| FM Radio | Yes |
| Bluetooth | Model Dependent |
| Supported Audio Formats | MP3, WAV, WMA (Model Dependent) |
| Recommended Speaker Impedance | 4Ω – 8Ω |
| Operating Temperature | -20°C to +60°C |
Interface Configuration
| Interface | Description |
|---|---|
| DC 5V | Power Input (5V DC) |
| USB | USB Flash Drive Input |
| TF | Micro SD Card Slot |
| AUX | 3.5 mm Audio Input |
| SPK+ | Speaker Positive Output |
| SPK− | Speaker Negative Output |
| ON/OFF | Power Switch |
| Control Buttons | Previous, Play/Pause, Next, Mode |
Note: Use a regulated 5V DC power supply capable of delivering at least 2A for stable operation and maximum audio performance.
Applications
- DIY portable speakers
- Bluetooth speaker projects
- Mini audio systems
- Educational electronics
- Arduino audio projects
- Voice announcement systems
- Multimedia players
- Hobby electronics
- DIY amplifier projects
Advantages
- Compact size
- Easy installation
- Low power consumption
- Multiple audio input options
- Clear mono audio output
- Simple front-panel controls
- Cost-effective audio solution
Size
| Specification | Value |
|---|---|
| Front Panel Dimensions | Approx. 80 × 25 mm |
| Mounting Hole Diameter | Approx. 3 mm |
| Weight | Approx. 25 g |
Package Includes
- 1 × 5W Single Audio Amplifier Module
Note: Connect a 4Ω or 8Ω speaker rated at 5W or higher for the best performance. This module operates from a 5V DC regulated power supply. Some versions include Bluetooth functionality, while others support only USB, TF card, AUX, and FM radio. Check your module’s specifications before installation.









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