TPA3116D2 2.1 Channel Bluetooth 5.0 Digital Amplifier Board | 100W+50W×2 Subwoofer+Satellite DIY Audio Module

Key Advantages

1. 2.1 Channel High-Power Output (TPA3116D2 Chip)
   • Delivers 100W RMS (subwoofer) + 50W×2 RMS (stereo) for immersive bass and clear mid/high frequencies. Ideal for movies, music, and gaming with balanced sound distribution.
2. Bluetooth 5.0 Wireless Connectivity
   • Supports low-latency audio streaming from smartphones, tablets, or TVs, with a range of up to 10 meters (33 feet). Compatible with AAC, SBC codecs for stable playback.
3. Class-D Efficiency (≥90%)
   • Minimizes power consumption and heat generation, enabling passive cooling (no heatsink required) for compact DIY builds or enclosed speaker cabinets.
4. Wide Compatibility with Speakers
   • Subwoofer: 2Ω–8Ω (100W RMS at 4Ω)
   • Satellite Speakers: 4Ω–8Ω (50W RMS at 4Ω per channel)
   • Supports both full-range and dedicated tweeter/mid-range drivers.
5. Low Distortion & High SNR
   • THD+N ≤0.1% (1kHz, 1W output) ensures clean audio even at high volumes.
   • 90dB Signal-to-Noise Ratio (SNR) reduces background noise for crisp vocals and instrumentals.
6. Built-in Protection Features
   • Over-current, over-temperature, and short-circuit protection safeguard the amplifier and speakers from accidental damage during operation.
7. Compact & Easy-to-Install Design
   • Dimensions: 120mm (L) × 80mm (W) × 25mm (H) fit standard speaker enclosures or DIY cases. Pre-soldered terminals simplify wiring for beginners.
8. Versatile Input Options
   • Bluetooth 5.0 (primary) + 3.5mm AUX input for wired connections to legacy devices (e.g., MP3 players, TVs without Bluetooth).

Technical Specifications

• Power Output: 100W RMS (subwoofer, 4Ω) + 50W×2 RMS (stereo, 4Ω)
• Bluetooth Version: 5.0 (backward compatible with 4.2/4.0)
• Frequency Response: 20Hz–20kHz (stereo), 20Hz–200Hz (subwoofer)
• Supply Voltage: DC 12V–24V (recommended 19V/3A for full power)
• Operating Temperature: -10°C–60°C
• Weight: 150g

Target Applications

1. Home Theater Systems
   • Upgrade factory speakers in TVs or monitors with a dedicated subwoofer and stereo channels for cinematic surround sound.
2. DIY Audio Projects
   • Build custom 2.1 speakers using wooden enclosures, 3D-printed parts, or repurposed vintage cabinets.
3. Gaming & Multimedia Setup
   • Pair with PC monitors or gaming consoles for immersive bass during action games or movies.
4. Desktop/Bookshelf Speakers
   • Create compact, high-power desktop speakers with a subwoofer for deep bass in small rooms.
5. Outdoor/Portable Speakers
   • Integrate into battery-powered enclosures (e.g., 18650 lithium-ion packs) for picnics, camping, or backyard parties.
6. Car Audio Upgrades
   • Replace factory amplifiers with this board to power aftermarket subwoofers and door speakers (requires 12V DC power regulation).
7. Educational/Hobbyist Use
   • Learn about audio electronics by assembling and testing a functional 2.1 amplifier with wireless connectivity.
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