Features High-Performance NE5532 Chip - Experience low noise and exceptional output drive, ensuring crystal-clear sound quality for your audio setup Dual Channel Stereo Design - Enjoy rich, immersive sound with this amplifier board, perfect for enhancing your home theater or music system 5X Amplification Factor - Transform your audio experience with a significant boost in volume, delivering powerful sound that fills the room Durable Electronic Components - Built for longevity, this preamplifier offers stable performance over time, providing reliable audio enhancement Compact and User-Friendly - The thoughtful circuit layout makes installation and operation simple, allowing you to elevate your sound effortlessly 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