Description
VIRE-2C100 V3.0 Dual TPA3116D2 Class D Audio Amplifier Board – 100W+100W Stereo, 12V–24V DC
The VIRE-2C100 V3.0 Class D Audio Amplifier Board is a high-power stereo amplifier module designed for DIY audio systems, speaker projects, car audio setups and home audio applications. Powered by two TPA3116D2 amplifier ICs, this board delivers a claimed output of 100W + 100W, making it suitable for building powerful two-channel audio systems.
Operating with a 12V–24V DC power supply, the amplifier features dedicated left and right speaker output terminals, clearly marked audio input connections and an aluminium heatsink for improved heat dissipation.
Its Class D amplifier design provides efficient audio amplification, while onboard filter capacitors and inductors support stable power delivery and audio signal filtering.
Whether you are building a custom speaker box, upgrading an existing audio setup or experimenting with DIY sound systems, the VIRE-2C100 V3.0 offers a compact and powerful amplification solution.
Key Features
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100W + 100W Stereo Output: Designed for high-power two-channel audio amplification.
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Dual TPA3116D2 Chips: Uses two TPA3116D2 amplifier ICs for stereo audio output.
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Class D Amplifier Design: Offers efficient power amplification with reduced heat generation compared with less efficient amplifier designs.
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Wide DC Input Range: Operates with a 12V–24V DC power supply.
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Dedicated Speaker Outputs: Separate left and right channel connections.
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Audio Input Terminals: Clearly marked INL, INR and GND connections.
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Aluminium Heatsink: Helps dissipate heat from the amplifier ICs.
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Heavy Copper PCB Tracks: Designed to support high-current power connections.
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Onboard Filter Capacitors: Help stabilize the power supply.
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Audio Filtering Inductors: Support output filtering.
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Compact Amplifier Module: Suitable for custom audio enclosures and DIY speaker systems.
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Multiple Applications: Useful for home audio, car audio and Bluetooth speaker projects.
Technical Specifications
| Specification | Details |
|---|---|
| Brand | VIRE |
| Model | VIRE-2C100 |
| Board Version | V3.0 |
| Product Type | Class D Audio Amplifier Board |
| Amplifier Class | Class D |
| Amplifier IC | 2 × TPA3116D2 |
| Output Power | 100W + 100W (claimed) |
| Audio Channels | 2 Channel Stereo |
| Input Voltage | DC 12V–24V |
| Speaker Impedance | 3Ω–8Ω (as specified) |
| Recommended Speaker | 3Ω / 120W (supplier recommendation; verify) |
| Audio Input | INL, INR, GND |
| Speaker Output | L+, L−, R+, R− |
| Amplifier Efficiency | Up to 90%+ (supplier specified) |
| Cooling System | Aluminium Heatsink |
| PCB Construction | Heavy Copper Tracks |
| Filter Components | Onboard Capacitors and Inductors |
| Application | Home Audio, Car Audio and DIY Speaker Systems |
Applications
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DIY stereo speaker systems.
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Home audio amplifier projects.
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Custom Bluetooth speaker systems.
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Car audio amplifier projects (with a suitable DC supply).
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Home theatre DIY setups.
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External speaker systems for TVs.
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Mini PA and sound systems.
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Speaker box construction.
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Electronics repair and audio experimentation.
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Custom audio equipment development.
Precautions
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Use a regulated 12V–24V DC power supply.
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Ensure the power supply has sufficient current capacity for the connected speakers and desired output.
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Check the positive and negative power connections before switching on.
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Do not reverse the power supply polarity.
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Match speaker impedance with the supported 3Ω–8Ω range.
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Never short-circuit the speaker output terminals.
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Connect speakers according to the L+, L−, R+ and R− markings.
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Do not connect speaker negative terminals together or to ground unless the manufacturer specifically permits it.
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Maintain adequate ventilation around the heatsink.
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Avoid operating the board continuously at maximum output without proper cooling.
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Keep the amplifier away from water, moisture and conductive objects.
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Disconnect the power supply before changing connections or performing maintenance.