3Pcs DIY White Noise Signal Generator Kit Two Way Signal Output

Installation instruction: http://files.banggood.com/2017/18.01/SG-10-Noise-signal-generator-kit.pdf Feature: White noise signal commonly known as noise, similar to the noise floor of the radio. Use is very wide, such as testing and treatment of insomnia and so on. DC 12V power supply. Two-way signal output: J1 output 1V fixed non-adjustable noise signal, big internal resistance, suitable for PRE input. JK1 output 1V continuously adjustable white noise signal, small internal resistance, can be directly driven headphones. Two signals do not affect each other. Package includes: 3 x DIY White Noise Signal Generator Kit Finish assembly, for reference only.