Features: This large power TPA3118D2 sound amplifier module offer efficient performances with up to 50W continuous output per channel, minimizing energy consumption and heat generation for superior sound quality. Featuring stereo output, a wide operating electric ranges of 12V to 24V, and integrated protections against overvoltage, overcurrent, overheating, and short circuits, this power amplifier board ensures stable and flexible use. Perfect for sound enthusiasts and project builders, this amplifier module caters to those creating sound systems or upgrading existing sound setups. Ideal for driving middle to large power speakers in various environments, such as home theaters, portable sound devices, or professional installations, enhancing versatility. Equipped with a convenient volumes control knob for easy adjustment, this robust sound amplifier module provides consistent and high accuracy sound output in any application. Specifications: Component : PCB Size: about 5x8cm/1.97x3.15inch Specification model: -A415 Chip selection: TPA3118D2 Power input: 12-24V sound input: / Output power: 50Wx2 (24V power supply = 50W, 12V power supply = 25W) Impedance matching: 4-8Ω Package Includes: 1xPower Amplifier Board note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.