What is the grade of hivi jamlab series?

Middle and high grade. Hivi jamlab is a well-known advanced audio brand in China, which belongs to Guangzhou Hivi Electro-acoustic Technology Co., Ltd. The company mainly provides audio products in many fields, and the products are well-known in the industry for their excellent quality and perfect sound quality. Hivi combines the world's top electro-acoustic technology with China's precision manufacturing technology, with the best quality and the highest cost performance in the industry. So it's middle and high grade.