Description
VIRE-21C050-100 2.1 Channel Class D Amplifier Board (TPA3116D2 Dual IC) | 2x50W Stereo + 100W Subwoofer | DC 12V–24V Audio Amplifier Module with Bass Control
Build a powerful and professional 2.1 sound system with the VIRE-21C050-100 Amplifier Board 🔊.
This compact yet high-performance module is powered by dual TPA3116D2 amplifier ICs, delivering clear stereo sound + deep bass output — perfect for DIY projects, home audio upgrades, and technician use.
Designed with a large aluminum heatsink, high-quality inductors, and easy connector terminals, this board ensures stable, efficient, and long-lasting performance ⚡.
✨ Key Features (Based on Actual Product)
- 🔊 True 2.1 Channel Output
- Left: 50W
- Right: 50W
- Subwoofer (Bass): 100W
- ⚡ Dual TPA3116D2 IC Design
- High-quality Class D amplifier chips
- Low distortion & high efficiency
- Professional-grade audio output
- 🌡️ Large Aluminum Heatsink
- Excellent heat dissipation
- Supports long working hours without overheating
- 🎛️ Built-in Bass Control Knob
- Dedicated bass adjustment (B50K potentiometer)
- Easy tuning for subwoofer output
- 🔌 Wide Voltage Input (12V–24V DC)
- Flexible power options
- Works with SMPS, battery, or adapter
- 🔗 Easy Plug & Play Connectors
- JST connectors for speakers & input
- Clearly labeled pins (INR, INL, GND, VDD, etc.)
- 🧲 High-Quality Components
- Large inductors (marked “100”) for stable filtering
- 330µF/25V capacitors for smooth power delivery
- 🔇 Mute Function Support
- Dedicated MUTE pin available
📊 Technical Specifications Table
| Parameter | Details |
|---|---|
| Model | VIRE-21C050-100 V1.1 |
| Amplifier IC | Dual TPA3116D2 |
| Amplifier Type | Class D |
| Channels | 2.1 Channel (Stereo + Subwoofer) |
| Stereo Output | 2 x 50W |
| Subwoofer Output | 100W |
| Input Voltage | DC 12V – 24V |
| Output Impedance | 2Ω – 8Ω |
| Recommended Speaker | 4Ω 50–80W + 2Ω 100–120W |
| Control | Bass Control (B50K Potentiometer) |
| Input Interface | L / R Audio Input (INL, INR, GND) |
| Output Interface | Speaker Terminals (L, R, BASS) |
| Cooling | Aluminum Heatsink |
| Protection | Overheat, Overcurrent, Short Protection |
🔌 Pin & Connector Details (From Board)
- 🎧 Audio Input Pins
- INR → Right Input
- INL → Left Input
- GND → Audio Ground
- 🔊 Speaker Output
- L+, L- → Left Speaker
- R+, R- → Right Speaker
- BASS+, BASS- → Subwoofer
- ⚡ Power Input
- VDD → DC Supply (+)
- GND → Power Ground
- 🔇 Control
- MUTE → Mute Function
🎯 Applications
Perfect for a wide range of uses:
- 🔊 DIY 2.1 Speaker System
- 🏠 Home Theater Audio Upgrade
- 🚗 Car Audio Projects (12V systems)
- 📺 TV External Sound System
- 🔧 Electronics Lab Testing
- 🎵 Bluetooth Speaker Build
- 🧰 Workshop / Shop Audio Setup
💡 Why This Board Stands Out
- ✔ Dual IC design = Better sound separation
- ✔ Strong bass with dedicated control
- ✔ Heavy heatsink = Reliable performance
- ✔ Clean PCB layout with labeled pins
- ✔ Ideal for both beginners & professionals
📦 Package Includes
- 1 x VIRE-21C050-100 Amplifier Board (with heatsink & bass knob)
⚠️ Important Notes
- 🔌 Use 19V–24V power supply for maximum output
- 🌡️ Ensure proper ventilation during high load
- 🔊 Use recommended speaker impedance for best performance
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