1. JBL：JBL is a speaker manufacturer founded in the United States in 1946. It first mainly produced speakers and speakers, so with its excellent product quality, it gradually gained market recognition, gradually expanded its business scope, and established its own notebook computer brand.

2. Bose：Bose Company was founded in 1964 by Dr. AmarG.Bose, a professor of electronic engineering at Massachusetts Institute of Technology, USA. It is one of the earliest loudspeaker manufacturers in the world and an innovator of "original sound reproduction technology" in the industry.

3. rambler audio: EDIFIER rambler enterprise was founded in Beijing in 1996, and has been focusing on the research and development of audio technology and product application for many years. At present, it has developed into a high-tech enterprise and industry leading brand with professional multimedia audio and household audio as its core products, and is famous for its exquisite electro-acoustic technology, well-known brands, refined management, excellent manufacturing technology and product quality.

4. TANNOY Tianlang: Tianlang is an audio brand founded by Guy R Fountain in 1932. The company is headquartered in London, England. It is a representative brand of British audio products and has a very high popularity in the international market. Moreover, all the products of Tianlang are mainly made of tantalum and lead alloy, which can better ensure the quality of speakers.

5. Mai Bo: Shenzhen Mai Bo Electric Appliance Co., Ltd. (hereinafter referred to as "Mai Bo") was established in 1998, mainly engaged in the research and development, design, production, sales and service of multimedia speakers, digital speakers, home speakers and HiFi audio.

Baidu Encyclopedia -JBL Audio

Baidu Encyclopedia -Bose

Baidu Encyclopedia-Rambler Audio

Baidu Encyclopedia-Tianlang

Baidu Encyclopedia-Mai Bo.