TDA2050+TDA2030 2.1 Channel HiFi Subwoofer Amplifier Board | 60W Triple-Channel Audio Power Module with Low Distortion
Key Parameters:
Left and Right Channels: 2 x TDA2030A, Peak Power: 18W x 2. It is recommended to use 4 - 8 ohm, 10 - 30W full-range speakers with a size of 2.5 - 4 inches.
Bass Output: 1 x TDA2050A, Peak Power: 32W. It is recommended to use 4 - 8 ohm, 30 - 50W bass speakers with a size of 5 - 8 inches.
Operating Power Supply: AC dual AC9 - 15V transformer. It is recommended to use a dual AC12V transformer with a power rating of over 30W.
Output Power Supply: DC12V 1.5A, which supplies power to the 12V decoder board.
PCB Material: FR-4 fiberglass board, Thickness: 1.6mm.
PCB Dimensions: 135 x 60mm.
Heat Sink Specifications: 100 x 33 x 37mm (length x width x height).
Distance between the centers of the potentiometer shafts: 25mm, Shaft diameter: 6mm.
PCB Mounting Hole Spacing: 128mm (length) x 38mm (width). Net Weight: 230g.
Product Features
- Dual-Chip Synergistic Design
- TDA2050: Drives the subwoofer channel independently with a peak power of 32W, delivering powerful low-frequency dynamics.
- TDA2030 x2: Amplifies stereo channels (18W per channel) for clear mid-to-high frequency separation.
- High-Fidelity Audio Performance
- Total harmonic distortion (THD) < 0.1%, signal-to-noise ratio (SNR) ≥ 90dB, ensuring pure sound reproduction without background noise.
- Supports 4Ω–8Ω speakers, compatible with 30W–50W subwoofers and 10W–30W full-range drivers.
- Efficient Cooling & Stability
- Equipped with a 100x33x37mm aluminum heatsink for prolonged high-power operation without overheating.
- Input voltage range: AC 9–15V (recommended dual AC12V/30W transformer), suitable for global power standards.
- Compact & Integration-Friendly Design
- PCB dimensions: 135x60mm, thickness: 1.6mm, FR-4 fiberglass material for strong anti-interference capability.
- Pre-drilled 25mm-spacing potentiometer holes for easy volume/bass adjustment.
Key Advantages
✅ Triple-Channel Independent Drive: 2.1-channel architecture (left + right + subwoofer) creates an immersive stereo field, ideal for home theaters and gaming setups.
✅ Low Distortion, High Power: 60W total output (32W subwoofer + 18Wx2 stereo) effortlessly drives 5–8-inch subwoofers for deep, impactful bass.
✅ Plug-and-Play DIY Convenience: Includes detailed circuit diagrams and wiring guides for quick assembly by beginners. Compatible with 12V decoder board power supply (DC12V 1.5A output).
✅ Cost-Effective Performance: Integrated module design reduces failure rates compared to discrete components, priced at 70% of similar products.
Applications
- Home Entertainment Systems
- Upgrade TV/projector built-in speakers by pairing with bookshelf speakers + subwoofer for cinema-like surround sound.
- PC Multimedia Speakers
- Enhance desktop 2.1 speakers with high-power driving, improving gaming audio directionality and explosion impact.
- DIY Audio Modifications
- Retrofit car audio systems or vintage radios by replacing outdated amplifiers with improved sound quality and power.
- Background Music Systems
- Use multiple modules in parallel for zoned audio control in shops, cafes, or exhibition spaces.
Solving User Pain Points
- Muffled Sound? → Low distortion design + independent channel separation ensures clear vocals and instruments.
- Weak Bass? → TDA2050 optimized for subwoofers, delivering 32W to drive large bass units.
- Overheating? → Large heatsink + optimized layout keeps temperature rise <15°C after 4 hours of continuous playback.
- Complex Installation? → Standardized interfaces and labels enable wiring completion in 10 minutes.








