Dongguan SNOW Mechanical & Electrical Technology Co. Ltd. was founded in 2013 by engineers and car enthusiasts who have more than 12 years in DSP processing technology. The team started as a DSP solution provider for other vendors of sound bar and other audio products. Since 2018, the company has decided to develop its own products for the automotive market under Signal Emotion brand.

Dongguan SNOW Mechanical & Electrical Technology Co. Ltd. is the first company to provide a smartphone App to configure DSP device for the sound system in car, thereby significantly improves the ease of use of such devices for aftermarket car installers and enthusiasts.