COSMIC-108 / AT108 Bluetooth Audio Amplifier Board with USB, Type-C Power & TF Card | Stereo DIY Speaker Module

COSMIC-108 / AT108 Bluetooth Audio Amplifier Board with USB, Type-C Power & TF Card | Stereo DIY Speaker Module Upgrade your DIY audio projects with the COSMIC-108 / AT108 Bluetooth Audio Amplifier Board �� — a compact, feature-rich module designed for modern speaker systems, repair work, and custom audio builds. From your images, this board comes with Type-C power input, USB playback, TF card slot, onboard control buttons, and speaker output terminals, making it a complete plug-and-play audio solution. ✨ Key Features & Highlights �� Wireless Bluetooth Audio Support Seamlessly connect mobile, laptop, or tablet for wireless music streaming. �� Modern Type-C Power Input Stable and efficient power supply via USB Type-C (5V) — no bulky adapters needed. �� Multiple Playback Options Supports: USB Pen Drive TF Card (Memory Card Slot) Bluetooth Mode ��️ Dedicated Control Buttons (Onboard) Easy operation with: ▶️ Play / Pause ⏮️ Previous / Volume Down ⏭️ Next / Volume Up �� Mode Selection �� Stereo Speaker Output Clearly marked: B / B- (Battery/Input) SP / SP- (Speaker Output) �� Built-in PCB Antenna Strong and stable Bluetooth signal without external antenna. ⚙️ High Stability IC Crystal Oscillator Ensures: Better sound processing Stable frequency operation Low noise performance �� DIY Friendly Design Clearly labeled solder points make installation easy for: Technicians Students Hobbyists �� Technical Specifications Feature Details Model COSMIC-108 / AT108 Power Input 5V DC (Type-C USB) Audio Input Modes Bluetooth, USB, TF Card Output Type Stereo (L/R Channel) Speaker Output SP / SP- terminals Control Interface Onboard Push Buttons Bluetooth Antenna Built-in PCB Antenna Oscillator External Crystal Installed Board Type DIY Audio Amplifier Module Connectivity Ports USB Port, TF Card Slot, Type-C Port Application Level Beginner to Professional �� Applications (Where You Can Use It) �� DIY Bluetooth Speaker Box Making �� Portable Speaker Systems �� Home Audio Projects �� Car Audio Modification (5V systems) �� Audio Repairing & Testing �� Mini Music Player Projects �� Electronics Workshop Setup �� Why This Board is Special? ✅ Latest Type-C Power Input (Modern & Reliable) ✅ All-in-one Music Playback Amplifier Module ✅ Compact size, perfect for tight spaces ✅ Ideal for YouTube DIY Projects & Repair Work ✅ Clean PCB layout for easy troubleshooting ⚠️ Important Notes �� Requires 5V stable power supply �� External amplifier stage may be needed for high-watt speakers �� Proper speaker matching recommended for best sound