Features: Experience true high end audio quality with the TPA3255 Digital Class-D 2.0 Amplifier Board (Fan Cooled). This high performance amplifier features a unique advanced integrated feedback design and proprietary high speed gate driver error correction function, delivering ultra low distortion and perfect sound quality throughout the entire audio frequency. For audiophiles and home theater enthusiasts who demand exceptional audioperformance. Perfectly suited for enhancing your home audio system or creating a professional grade audiosetup. Elevate your listening experience with the TPA3255 amplifier board, designed to deliverpowerful and efficient sound reproduction for an immersive audioexperience. Specifications: Item：TPA3255 Power Amplifier Board (Fan Cooled) Working mode: Class-D Quiescent current: 65mA Output power: 2x600W Frequency response: 20Hz to 20KHz Working voltage: DC24V to DC48V Power supply voltage: DC36V or DC48V10A or above Size: approx 173x110x38MM/6.81x4.33x1.5in Package Includes: 1PC TPA3255 Power Amplifier Board note: Due to the light and screen setting difference, the item color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.