Description
COSMIC-105 / AT105 Bluetooth Audio Amplifier Board with USB, TF Card, AUX, Volume Control & Button Panel for DIY Speaker System
Upgrade your audio projects with the COSMIC-105 / AT105 Bluetooth Audio Amplifier Board 🔊 — a compact, feature-packed solution designed for DIY speaker systems, portable audio devices, and repair applications.
This board comes with multiple input options like Bluetooth, USB, and TF Card, making it extremely versatile. With built-in control buttons and volume knob, you can easily manage playback without needing external controls.
Whether you are a technician, hobbyist, or electronics repair expert, this module is a perfect choice for creating or repairing audio systems with professional-level performance 💯.
✨ Key Features & Highlights
- 📡 Bluetooth Connectivity
Easily connect your smartphone, laptop, or tablet wirelessly. - 🔌 Multiple Input Options
Supports USB Drive + TF (Memory Card) playback. - 🎛️ Built-in Volume Control Knob
Smooth analog control for precise volume adjustment. - 🔘 Onboard Control Buttons
- MODE / Play-Pause
- Previous Track
- Next Track
- Power LED Indicator
- 🎧 AUX / Line Input Support
Allows external audio input connection. - 🔊 Stereo Speaker Output Pins
Dedicated connectors for left and right speakers. - ⚡ DC Power Input (5V)
Powered via Micro USB port for easy compatibility. - 💡 Compact & Durable PCB Design
Ideal for tight installations and long-term use.
⚙️ Technical Specifications
| Feature | Details |
|---|---|
| Model | COSMIC-105 / AT105 |
| Input Voltage | DC 5V (Micro USB) |
| Connectivity | Bluetooth, USB, TF Card |
| Audio Output | Stereo (L & R Channel) |
| Control | Push Buttons + Volume Knob |
| Ports | USB Port, Micro USB, TF Slot |
| Functions | Play/Pause, Next, Previous, Mode |
| Indicator | Power LED |
| Mount Type | PCB Mount |
| Application Type | DIY Audio / Repair / Speaker |
🔧 Applications
- 🔊 DIY Bluetooth Speaker Projects
- 🔧 LED TV / Audio System Repair
- 📻 Portable Music Player Systems
- 🎶 Home Audio Amplifier Setup
- 🚗 Car Audio DIY Modification
- 🧰 Electronics Training & Practice
💡 Why Choose This Board?
✔️ All-in-one audio solution
✔️ Easy to install and use
✔️ Supports multiple media formats
✔️ Ideal for technicians & students
✔️ Compact size with maximum features
📌 Important Notes
- ⚠️ Requires proper amplifier stage for high power output
- ⚠️ Ensure correct polarity while connecting power
- ⚠️ Speaker connection should be done carefully
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