Features: High power output: Each channel provides an output power of up to 100W, which can meet the user's audioed amplification needs for high sound quality and volume. Digital amplifier technology: Designed using digital amplifier technology, it has the characteristics of high efficiency and low distortion, providing clear and realistic sound performances. Double channel stereo: Supports two channel stereo output, allowing users to enjoy a more immersive experience. TDA7293 chip: Using TDA7293 chip, it has excellent audioed processing capabilities, ensuring high fidelities and low noise level. Simple connection: Provides an easy to connect interfaces, making it convenient for users to connect with various sound devices, such as computers, phones, etc. Specifications: Material: Printed Circuit Board Product Name: TDA7293 Double Channel Amplifier Board Product model: XH-A132 Inner cores chip: 2xTDA7293 Power supply voltage: Double AC12-27V Standby current: 50-100mA Output power: 2x100W Channel: two channels Output impedance: 4-8Ω External dimensions: 166x114x31mm/6.54x4.49x1.22" Installation hole spacing: 157x52.5x52.5mm/6.18x2.07x2.07" Package Includes: 1x Digital Power Amplifier Board note: Please allow 1-2cm errors due to manual measurement. Please allow for slight color differences due to different display resolution.