Features: The TPA3116D2 chip is used to ensure premium quality sound. Distortion is significantly reduced, giving you great listening enjoyment. Smooth surface, high mechanical strength, heat and moisture resistant, the section is not easy to produce cracks. With overvoltage protection, undervoltage protection, overheating protection, short-circuit protection and DC detection. Powered by DC 12-24V, wide input voltage. Power is large enough, outstanding sound quality, ideal for DIY adjustable speakers to meet a variety of public and home audio-visual experience. Specifications: Model: XH-M567 Color: multicolor Material: plastic Chip type: TPA3116D2 Supply voltage: DC 12-24V Output power: 2 * 80W Channel: Two-channel output Product size: 6 * 3.2 * 1.4cm Package size: 6 * 5 * 1.5cm Package weight: 45g Package List: 1 * Digital Power Amplifier Board