Description
COSMIC-101 / AT101 Bluetooth Audio Amplifier Board with USB, TF Card & AUX Input
Upgrade your DIY audio projects with the COSMIC-101 / AT1101 Bluetooth Audio Amplifier Board. This compact and feature-rich audio module allows you to play music wirelessly through Bluetooth or directly from a USB Pen Drive, TF (Micro SD) Card, and AUX Input.
Designed for DIY speaker systems, portable sound boxes, home audio projects, multimedia speakers, and amplifier repairs, this board provides multiple playback options in a compact form factor. The onboard control buttons make it easy to switch modes, change tracks, and control music playback without requiring an external remote.
Whether you’re repairing an old speaker or building a custom Bluetooth sound system, the COSMIC-101 board offers a convenient all-in-one audio solution.
✨ Key Features
- 🔹 Built-in Bluetooth Audio Receiver
- 🔹 Supports Wireless Music Streaming from Smartphones and Tablets
- 🔹 USB Pen Drive Music Playback Support
- 🔹 TF (Micro SD) Card Music Playback
- 🔹 AUX Audio Input via 3.5mm Jack
- 🔹 Micro USB Power Input
- 🔹 Dedicated Speaker Output Connectors
- 🔹 Easy Battery Connection Terminal
- 🔹 Onboard Function Control Buttons
- 🔹 Compact PCB Design
- 🔹 Ideal for DIY Audio Projects
- 🔹 Low Power Consumption
- 🔹 Stable Audio Performance
- 🔹 Quick and Easy Installation
🎛️ Board Controls
The board includes dedicated control buttons:
▶ MODE Selection
▶ PREV / Volume Down
▶ PLAY / PAUSE
▶ NEXT / Volume Up
These controls allow easy operation without additional accessories.
🔌 Connectivity Options
📶 Bluetooth Mode
Connect your smartphone, tablet, laptop, or Bluetooth-enabled device wirelessly.
💾 TF Card Mode
Insert a Micro SD card loaded with MP3 music files and enjoy standalone playback.
🔗 USB Mode
Play music directly from a USB Flash Drive.
🎧 AUX Mode
Connect external audio sources through the onboard 3.5mm audio input jack.
📊 Technical Specifications
| Parameter | Details |
|---|---|
| Product Model | COSMIC-101 / AT1101 |
| Product Type | Bluetooth Audio Amplifier Board |
| Bluetooth Function | Yes |
| USB Playback | Supported |
| TF Card Playback | Supported |
| AUX Input | 3.5mm Audio Jack |
| Audio Output | Speaker Output Connector |
| Power Input | Micro USB |
| Battery Connector | Available |
| Control Buttons | Mode, Prev, Play/Pause, Next |
| PCB Type | Compact DIY Module |
| Installation | Easy Plug-and-Play |
| Application | Audio Amplifier & Speaker Projects |
🛠 Applications
- ✅ Bluetooth Speaker Making
- ✅ Portable Speaker Projects
- ✅ DIY Audio Systems
- ✅ Home Audio Projects
- ✅ Multimedia Speaker Repair
- ✅ Classroom Audio Systems
- ✅ Rechargeable Speaker Box
- ✅ Audio Amplifier Upgrades
- ✅ Music Player Projects
- ✅ Electronics Learning Projects
- ✅ Workshop Audio Systems
- ✅ Sound Box Manufacturing
⚠ Important Notes
- ⚠ Actual PCB color and component arrangement may vary slightly depending on production batch.
- ⚠ Please verify power supply and speaker compatibility before installation.
- ⚠ Suitable for DIY electronics projects and speaker system integration.
💡 Why Choose This Board?
- ✔ Multiple Music Playback Options
- ✔ Wireless Bluetooth Connectivity
- ✔ USB & TF Card Support
- ✔ Compact Size for Easy Installation
- ✔ User-Friendly Control Buttons
- ✔ Reliable Audio Performance
- ✔ Perfect for DIY Enthusiasts and Technicians
- ✔ Excellent Choice for Speaker Repair and Audio Projects
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