COSMIC-106 / AT-106 Bluetooth Audio Amplifier Board with USB, TF Card & Rechargeable Battery Support

The COSMIC-106 / AT-106 Bluetooth Audio Amplifier Board is a compact and versatile wireless audio decoding module designed for DIY audio projects, portable speakers, multimedia systems, and custom sound applications. This board combines Bluetooth connectivity, USB playback, and TF card support into a single compact solution, allowing users to enjoy music from multiple sources with ease.

Equipped with onboard control buttons for playback and mode selection, the module offers convenient operation and seamless audio playback. The built-in battery connector and Micro USB charging interface make it ideal for rechargeable portable speaker systems and battery-powered audio devices.

Whether you’re building a Bluetooth speaker, upgrading an existing audio system, or creating a custom sound project, the COSMIC-106 provides a reliable and user-friendly audio playback solution.

✨ Key Features

🔹 Bluetooth Audio Receiver

• Supports wireless music streaming from smartphones, tablets, laptops, and other Bluetooth-enabled devices.

🔹 USB Music Playback

• Integrated USB port allows direct playback of MP3 audio files from USB flash drives.

🔹 TF/Micro SD Card Support

• Dedicated TF card slot for standalone music playback without requiring Bluetooth connectivity.

🔹 Rechargeable Battery Compatible

• Features battery connection terminals for portable audio applications.

🔹 Micro USB Power Input

• Easy powering and charging through a standard Micro USB connector.

🔹 Dedicated Speaker Output

• Convenient speaker connection terminal for quick installation.

🔹 Onboard Control Buttons

• Power
• Mode Selection
• Play/Pause
• Previous Track / Volume Down
• Next Track / Volume Up

🔹 Compact PCB Design

• Lightweight and space-saving design suitable for embedded and DIY projects.

🔹 Easy Integration

• Clearly marked connectors simplify installation and wiring.

🎯 Benefits

✅ Wireless music streaming convenience

✅ Multiple playback options (Bluetooth, USB, TF Card)

✅ Ideal for portable speaker projects

✅ Simple operation with physical control buttons

✅ Compact size for easy installation

✅ Battery-powered project compatibility

✅ Suitable for beginners and professionals alike

📊 Technical Specifications