Features: Delivers 2x80W stereo channels and a 120W bass output for immersive music experiences, perfect for highly power amplifier systems requiring robust 2.1channel performances. Input AntiReverse-connecting Protections, Output Short Circuit Protections, Over Current Protections, Over Temperature Protections Ideal for car music enthusiasts, electronics builders, and professional installers seeking premium integrated circuits for customized sound systems upgrades. Enhances home theaters, automotive sound systems, and live music setups with stable 120W bass reinforcement. Optimized thermal dissipation design with ABS housing ensures reliability operate during extended high load time while preserving dynamic music ranges integrity. Specifications: Component: ABS Size:Approx.110x82x41mm/4.33x3.22x1.61inch Option Type:Sound Amplifier Board,Sound Amplifier Board with Shell; Input voltages: DC9V-18V Output power: 2x80W+120W Output impedance: 2-8Ω Sound input: 3pin Protections: reverse connection, short circuit, overheating, overcurrent. Number of channels: 2.1channel Voltages interfaces: 3.5mm or 3pin-2.54mm input Package Includes: 1pc TDA7850 Sound Amplifier Board note: Please allow 1-3cm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual item color.