Features: This 500W Amplifier Board delivers stereo with robust A1943/C5200 power transistors, effortlessly driving 15inch speakers for studio grade sound reproduction. Featuring a double differential A970/C2240 circuit and A1145/C2705 voltages amplification stage, it operates across DC20V 90V for flexible integration into premium stereo systems. Ideal for audiophiles and enthusiasts seeking professional amplification solution for home theaters or speakers setups. Perfectly suited for power stereo systems, live music environments, or immersive home cinemas experiences requiring distortion resistant output. Engineered with modulars monoblocks design and A1837/C4793 power transistors, this amplifier board ensures thermal stability during extended high volumes. Specifications: Component:ABS Size:Approx.245mm/9.65''x60mm/2.36''x45mm/1.77'' Power: 500W without distortion, maximums power of 750W Package Includes: 1Piece 500W Amplifier Board note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.