Features High-Performance NE5532 Chip - Delivers low noise and exceptional output drive performance for superior o quality Dual Channel Stereo Amplifier - Enjoy rich, immersive sound with a dedicated stereo power amplifier board for enhanced listening experiences 5X Amplification Factor - Experience powerful tory enjoyment that transforms your o setup into a concert-like atmosphere Premium Quality Components - Built with high-quality electronic parts, ensuring stable performance and a long service life for reliable usage Compact and User-Friendly Design - Features a reasonable circuit layout for easy installation and , making it for any project Features: 1、Adopt high performance NE5532 chip, with low noise and excellent output drive performance. 2、Dual channel stereo power amplifier board. 3、5X amplification factor brings you shocking tory enjoyment. 4、Made with electronic components, stable performance, long service life. 5、Reasonable circuit layout, compact structure, easy to use. Specification: Item Type: Preamplifier Board Model: XH-A902 Chip: NE5532 Number of Channel: Dual Channel Amplification Factor: 5 times Supply Voltage: DC 12-30V Item Weight: Approx 12g Mounting Size: 42x2m / 1.65x0.91in Diameter: m/0.12in Package List: 1 x Preamplifier Board Package List 1 x Preamplifier Board