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

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 Feature Details Model COSMIC-116 / AT116 Version V1.0_2551 (as per PCB marking) Audio Output 2 Channel Stereo Power Input Type-C / Battery (BAT ) Input Modes Bluetooth, USB, TF Card, AUX, FM USB Port Yes (MP3 Playback) TF Card Slot Yes AUX Input 3.5mm Audio Jack FM Support Yes (FM_ANT Pin Available) Control Onboard Buttons Remote Speaker Output SP / SP- (Dual Channel) PCB Type High Quality Printed Circuit Board Installation Panel / DIY Speaker Box �� Pin & Connector Details (From Image) �� BAT → Power Input Positive ⚫ GND → Power Ground �� SP / SP- → Speaker Output (Left & Right) �� FM_ANT → External FM Antenna �� Type-C Port → Power Supply Input �� AUX Jack → External Audio Input �� USB Port → Pendrive Music �� TF Slot → Memory Card �� Applications / Uses �� DIY Bluetooth Speaker Box �� Home Audio System �� Car Audio Modification Projects �� Electronics Repair & Testing �� Portable Music Systems ��️ Workshop / Shop Sound System �� Why This Board is Best Choice? ✅ All-in-one audio module (No extra board needed) ✅ Latest Type-C power support ✅ Multiple playback options ✅ Easy installation for beginners ✅ Reliable for technicians & professionals ✅ Compact, durable & cost-effective �� Package Includes 1 × COSMIC-116 / AT116 Amplifier Board