COSMIC-112 / AT-112 Bluetooth Audio Amplifier Board with USB, TF Card, FM Radio & AUX Support

Upgrade your audio projects with the COSMIC-112 / AT-112 Bluetooth Audio Amplifier Board, a compact and feature-rich wireless audio decoding module designed for DIY speaker systems, portable audio devices, multimedia projects, and amplifier integrations. This board combines Bluetooth connectivity, USB playback, TF card support, FM radio functionality, and AUX audio output into a single compact solution.

Equipped with easy-to-use control buttons and multiple media input options, the COSMIC-112 allows users to enjoy music from smartphones, USB drives, memory cards, and FM radio stations without requiring additional modules. Its compact PCB design makes it ideal for both commercial and hobbyist audio applications.

✨ Key Features

🔹 Bluetooth Audio Streaming

• Wirelessly connect smartphones, tablets, laptops, and other Bluetooth-enabled devices.
• Enjoy hassle-free music playback without cables.

🔹 USB Music Playback

• Built-in USB port supports direct music playback from USB flash drives.

🔹 TF/Micro SD Card Support

• Easily play MP3 audio files stored on TF/Micro SD memory cards.

🔹 FM Radio Function

• Integrated FM antenna section for receiving FM radio broadcasts.

🔹 AUX Audio Output

• 3.5mm audio jack provides convenient audio connectivity for amplifiers and external audio systems.

🔹 USB Type-C Power Input

• Modern Type-C interface ensures reliable and convenient power supply.

🔹 Multi-Function Control Buttons

• Dedicated onboard buttons for:
  • ⏮ Previous / Volume –
  • 🔘 Power / Mode
  • ▶️ Play / Pause
  • ⏭ Next / Volume +

🔹 Compact PCB Design

• Space-saving design suitable for speaker cabinets and embedded audio systems.

🔹 Easy Integration

• Connector ports simplify installation with amplifier and speaker modules.

🔹 Stable Performance

• Designed for continuous audio playback with dependable operation.

🎯 Benefits

✅ All-in-one Bluetooth audio decoder solution
✅ Multiple music playback options
✅ Easy to install and operate
✅ Ideal for DIY audio enthusiasts
✅ Compact and lightweight design
✅ Cost-effective audio upgrade module
✅ Suitable for portable and home audio systems

📊 Technical Specifications