1200W 50A Boost Power Supply Module – Audio Amplifier Board
1200W 50A Boost Power Supply Module – Audio Amplifier Board
1200W 50A High-Current Non-Isolation Boost Power Supply Module
Engineered for demanding audio power amplifier builds, this dual-inductor boost power supply board delivers up to 1200W continuous power (peak 1500W) with an impressive 92–95% conversion efficiency. Whether you're building or upgrading a high-powered audio amplifier setup, this module provides stable, adjustable output with comprehensive built-in protection circuits — all in a compact, actively cooled design. Made in Mainland China.
Key Features
- Wide Input Range: DC 10–30V input with under-voltage protection activating at 9V
- Adjustable Output: Continuously adjustable from Vin up to 50V
- High Power Output: 1200W continuous, 1500W peak
- High Efficiency: 92–95% conversion efficiency reduces energy waste and heat
- 50A Max Input Current with built-in current-limiting protection
- Input Reverse Polarity Protection: 290A, 1.2MΩ T0247 package large MOSFET
- Under-Voltage Protection: Triggers at 9V input
- Overcurrent Protection: Hard limit at 50A
- Over-Temperature Protection: Activates when substrate exceeds 100°C
- Smart Temperature-Controlled Fan: 60×60mm fan engages automatically above 40°C substrate temperature
- Robust Heatsink: Enlarged and thickened 100×92×20mm heatsink for superior thermal management
- Output Voltage Display: Digital readout with 0.1V accuracy; display can be switched off
- Low Ripple: +30mV at no load / +600mV at full load on startup output
- Static Operating Current: 70mA @ Vin=20V, Vout=48V (increases with higher output voltage)
Specifications at a Glance
| Input Voltage | DC 10–30V (under-voltage protection <9V; do not exceed 32V) |
| Output Voltage | Vin to 50V, continuously adjustable |
| Continuous Output Power | 1200W (Peak 1500W) |
| Max Input Current | 50A |
| Efficiency | 92%–95% |
| Cooling | 60×60mm temperature-controlled fan + 100×92×20mm heatsink |
| Protections | Reverse polarity, under-voltage, overcurrent, over-temperature |
| Output Ripple | +30mV (no load) / +600mV (full load) |
| Country of Origin | Mainland China |
What's in the Box
- 1× Boost Power Supply Module
Important Notes
- Due to screen calibration differences, actual product color may vary slightly from images.
- Please allow 1mm–1cm dimensional variance due to manual measurement.
- Input voltage must not exceed 32V to prevent damage.
Learn More
For guidance on electrical safety standards and best practices when working with high-current DC power electronics, visit the OSHA Electrical Safety resource. For consumer product safety information, refer to the U.S. Consumer Product Safety Commission (CPSC).
Frequently Asked Questions
Q: What input voltage range does this boost power supply module support?
A: The module accepts a DC input voltage of 10–30V. Under-voltage protection activates automatically when input drops below 9V, and the input must never exceed 32V to avoid damage.
Q: Is this boost module safe to use for high-powered audio amplifier builds?
A: Yes. This module is specifically designed as a dedicated power supply for high-current audio power amplifiers. It features multiple built-in protections — including reverse polarity, under-voltage, overcurrent (50A), and over-temperature (100°C) — along with an actively managed thermal system to ensure stable, safe operation during high-demand sessions.
Q: How does the cooling system work on this power supply board?
A: The module uses a dual-stage cooling approach: a 60×60mm temperature-controlled fan automatically activates when the substrate temperature exceeds 40°C, combined with an enlarged 100×92×20mm heatsink for passive thermal dissipation. This keeps the module running efficiently even at high loads.
Q: Can I adjust the output voltage, and what range is available?
A: Yes. The output voltage is continuously adjustable from the input voltage (Vin) up to a maximum of 50V, giving you flexible control to match the requirements of your amplifier or other connected load.