Description
COSMIC-103 Bluetooth Audio Amplifier Board with USB, Type-C & TF Card Support
The COSMIC-103 Bluetooth Audio Amplifier Board is a compact and feature-rich wireless audio decoder module designed for DIY speaker systems, home audio projects, portable sound boxes, and Bluetooth-enabled amplifier applications. This board combines Bluetooth music playback, USB flash drive support, TF (Micro SD) card playback, and Type-C power input into a single compact solution.
Equipped with dedicated control buttons for Mode Selection, Previous Track, Next Track, and Play/Pause, the module offers convenient operation without requiring external controls. Its compact design makes it ideal for integrating into custom speaker cabinets, portable audio systems, multimedia projects, and amplifier repair or upgrade applications.
Whether you are building a new Bluetooth speaker or upgrading an existing amplifier with wireless audio functionality, the COSMIC-103 provides a simple and reliable solution.
✨ Key Features
🎶 Multiple Audio Playback Modes
- Supports Bluetooth wireless audio streaming.
- Supports USB Pen Drive music playback.
- Supports TF (Micro SD) card audio playback.
- Easy mode switching using dedicated MODE button.
📱 Wireless Bluetooth Connectivity
- Connect smartphones, tablets, laptops, and Bluetooth-enabled devices.
- Stable wireless music transmission.
- Ideal for modern audio systems.
🔌 Type-C Power Input
- Modern USB Type-C power connector.
- Easy power connection.
- Better durability compared to older Micro USB connectors.
🎛️ Built-in Control Buttons
- MODE Selection
- Previous Track (PREV)
- Next Track (NEXT)
- Play / Pause (P/P)
💾 TF Card Music Support
- Direct music playback from Micro SD cards.
- No external device required.
🔗 USB Flash Drive Support
- Plug-and-play USB music playback.
- Convenient for standalone audio systems.
📦 Compact PCB Design
- Small size for easy installation.
- Suitable for custom speaker cabinets and amplifier enclosures.
⚡ Easy Integration
- Speaker output connectors.
- Battery input connector.
- Power connection support.
- Suitable for DIY electronics projects.
📊 Technical Specifications
| Parameter | Details |
|---|---|
| Model | COSMIC-103 |
| Product Type | Bluetooth Audio Amplifier / Decoder Board |
| Bluetooth Support | Yes |
| USB Playback | Yes |
| TF Card Playback | Yes |
| Power Input | USB Type-C |
| Control Buttons | Mode, Previous, Next, Play/Pause |
| Audio Source Modes | Bluetooth, USB, TF Card |
| Mounting Type | PCB Board |
| Application | Speaker Systems & Audio Projects |
| PCB Version | V1.0_24502 |
| Color | Green PCB |
| Installation | DIY / Embedded |
🔧 Board Interfaces
| Interface | Function |
|---|---|
| USB Port | USB Flash Drive Music Playback |
| TF Card Slot | Micro SD Card Music Playback |
| Type-C Port | Power Input |
| Slide Switch | Power ON/OFF |
| Speaker Connector | Audio Output |
| Battery Connector | Power Supply Connection |
| Control Buttons | Music & Mode Control |
🎯 Applications
🔊 DIY Bluetooth Speakers
Convert ordinary speakers into Bluetooth-enabled speakers.
🎵 Portable Sound Systems
Perfect for battery-operated portable speaker projects.
🏠 Home Audio Systems
Add wireless music playback to existing amplifiers.
🛠️ Audio Amplifier Repair & Upgrade
Useful for upgrading old amplifier systems with Bluetooth functionality.
📻 Multimedia Projects
Suitable for educational and electronics projects.
🚗 Car Audio DIY Projects
Can be integrated into custom vehicle audio systems.
🎤 Mini PA Systems
Ideal for small public announcement and portable audio applications.
💡 Why Choose COSMIC-103?
✅ Supports Bluetooth, USB & TF Card Playback
✅ Modern USB Type-C Power Input
✅ Compact and Easy to Install
✅ Dedicated Music Control Buttons
✅ Suitable for DIY and Professional Projects
✅ Stable Wireless Audio Streaming
✅ Low Power Consumption
✅ Reliable PCB Design
✅ Perfect for Speaker Upgrades
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