Features: Highly power output: PMX-300W is double channel design that provides up to 300W of highly power output, meeting the user demand for strong sound effects. With temperature control: equipped with temperature control function, effectively controlling working temperature, extending equipment life, ensuring stability and safety. Quality chip: Use 2SA1943/2SC5200 power amplifier chip, ensuring clear and stable output. Safe and reliable: Build in multiple protections mechanisms, such as overcurrent protections, overheating protections, etc., ensure safety of equipment and users. Lightweight and Portable: The onboards design makes it small and lightweight, easy installation and carry, suitable for mobile speaker needs. Specifications: Component: PCB+Metal Size: about 21x12x7.50cm/8.26x4.72x2.95inch Working voltage: Double AC24-35Volt Output power: 300W+300W Channel: 2channel Chip type: 2SA1943/2SC5200 Rectification input: AC12V Package Includes: 1pc Power Amplifier Board with Temperature Control 1pc Cable note: Output shortcircuit is strictly prohibited. Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.