COSMIC-116 / AT116 Bluetooth Audio Amplifier Board | USB, Type-C, AUX, FM, TF Card | 2 Channel Stereo DIY Speaker Module

Build your own powerful Bluetooth speaker system with the advanced COSMIC-116 / AT116 Audio Amplifier Board 🔊

This compact yet feature-rich module comes with Bluetooth, USB, Type-C power input, AUX, TF card, and FM radio support, making it a complete all-in-one audio solution for DIY enthusiasts, technicians, and electronics repair professionals.

Designed with clean PCB layout, easy connectors, and multi-function control buttons, this board ensures smooth performance and easy installation.

🔥 Key Features & Highlights

• 📶 Built-in Bluetooth Connectivity
  
  • Fast pairing with mobile, laptop, tablet
  • Stable audio transmission without lag
• 🔊 Stereo Audio Output (2 Channel)
  
  • Dedicated SP+ SP- outputs for left & right speakers
  • Balanced and clear sound quality
• 🔌 Multiple Input Support
  
  • USB Port (Pendrive playback)
  • TF Card Slot (Memory card support)
  • AUX Input (3.5mm jack)
  • FM Radio with external antenna support 📻
• ⚡ Type-C Power Input
  
  • Modern and stable power supply option
  • Easy to use with mobile chargers
• 🎛️ Onboard Control Buttons
  
  • PREV / VOL-
  • NEXT / VOL+
  • PLAY / PAUSE
  • MODE
  • POWER
• 🎚️ Remote Control Compatible
  
  • Full control of music and modes
• 📡 FM Antenna Pin (FM_ANT)
  
  • Improves radio signal reception
• 🧩 Easy Wiring Terminals
  
  • BAT+ for power input
  • SP+ / SP- for speaker connection
• 💡 Compact & DIY Friendly Design
  
  • Perfect for speaker box fitting
  • Ideal for repair and upgrade work

📊 Technical Specifications Table