Description
TPA3116D2 200W 2.1 Channel Class D Audio Amplifier Board
The TPA3116D2 Dual IC 200W Class D Amplifier Board is a high-efficiency 2.1 channel audio amplifier designed for powerful, clean, and low-distortion sound output. Built around the trusted TPA3116D2 Class D amplifier chipset, this board delivers 100W x 2 stereo output, making it ideal for advanced DIY audio systems.
Operating on a wide DC 12V to 24V input range, the amplifier is flexible enough for use with battery packs, SMPS power supplies, or custom power solutions. Its compact 90mm x 60mm design allows easy integration into speaker cabinets, home theater systems, computer speakers, and portable audio builds.
With built-in thermal, overload, and short-circuit protection, the board ensures long-term reliability and safe operation. The low EMI and minimal harmonic distortion guarantee clean, crisp audio with powerful bass, making it a perfect choice for audiophiles, hobbyists, and professionals alike.
Key Features:
-
High-efficiency Class D amplifier using TPA3116D2 IC
-
2.1 channel configuration
-
Stereo output: 100W x 2 channels
-
Wide DC input voltage support from 12V to 24V
-
Compact PCB design for easy integration
-
Low harmonic distortion for clear and crisp audio
-
Low noise and minimal EMI interference
-
Built-in overload, short-circuit, and thermal protection
-
Ideal for DIY, home audio, and portable speaker projects
Technical Specifications:
| Parameter | Details |
|---|---|
| Amplifier IC | TPA3116D2 (Dual IC) |
| Amplifier Type | Class D |
| Audio Channels | 2.1 Channel |
| Stereo Output Power | 100W x 2 |
| Input Voltage | DC 12V – 24V |
| Board Dimensions | 90 mm x 60 mm |
| Distortion | Low harmonic distortion |
| Noise Level | Low EMI, low noise |
| Protection | Thermal, overload, short circuit |
| Application Type | DIY audio amplifier |
Applications:
-
DIY 2.1 speaker systems
-
Home theater amplifier projects
-
Computer speaker systems
-
Bluetooth speaker amplifier integration
-
Outdoor and portable audio systems
-
Custom audio electronics projects
Precautions:
-
Use a suitable power supply with adequate current rating
-
Ensure proper ventilation for heat dissipation
-
Avoid short circuits on speaker terminals
-
Use recommended speaker impedance for best performance
-
Do not exceed the specified voltage range






