Features: Experience superior audios quality with the XH-M180 TDA7850 car four channel amplifier board. Its advanced chip ensures clear and stable sound output. Compact and versatile, this amplifier board supports four channel output and provides various input interfaces for seamless connectivity with your devices. Its built in circuit safeguards against overheating and overload. Designed for car enthusiasts, modification enthusiasts, and professional engineers, this amplifier board is perfect for upgrading and customizing car systems in a wide range of vehicles. Elevates your driving experience by upgrading and customizing your vehicle's system. Upgrade your car with the XH-M180 TDA7850 car four channel amplifier board for an enhanced ride. Take your car system to new heights with the XH-M180 TDA7850 car four channel amplifier board. Enjoy clear sound and powerful output, whether you're on the road or taking a leisurely drive. Upgrade your car today! Specifications: Material:PCB Size:Approx.128x86x29mm/5.03x3.38x1.14inch Product name: TDA7850 four-channel amplifier board Product model: XR-M180 Chip: TDA7850 Input voltage: 12VDC Power: 4x50W Channel: two/four channels (switchable) Output impedance group: 4-8 Note: .Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. .Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1 Set Amplifier Board Module