2. Landscape

3. Doctor

4.JBL

5. Sony

6. Ailang

7. Pioneer

8. Tianlong

9. Strange sound

1. It is famous for the development of long tape holder, CD player and DCC digital card holder. Marantz: It was originally a brand of an old American audio equipment manufacturer, and its products enjoyed a high reputation. Later, it was acquired by Japanese manufacturers, switched to middle and low-grade products, and was recently acquired. Maijingtu: The famous American manufacturer of fever audio has a long history, and it is one of the earliest manufacturers involved in the manufacture of audio equipment in the United States. From the early mono amplifier to now, many products have been listed as models of audio design and manufacture. JBL: American veteran speaker manufacturer, who has made great contributions in the history of speaker manufacturing, is the largest speaker manufacturer in the world at present, and its products involve professional and civil fields. JBL products pay attention to the high restoration of sound, and pursue "no personality" sound playback. Harman Kardon: American manufacturer, with considerable strength in the production of card holders, once produced the world's first card holder equipped with Dolby B, Dolby C and Dolby S.. Lion dragon: a famous American audio manufacturer, mainly focusing on civil combination audio products. Tianlang: A famous registered trademark of speakers in Britain, famous for producing coaxial unit speakers, which are extremely accurate in sound field positioning. Doctor: It is famous for producing a variety of compact direct/reflective speaker systems. This kind of vertical speaker (3D mode) is easy to set. B& W: The famous British loudspeaker factory is also one of the large-scale civil loudspeaker factories, with a production history of 27 years. Yili: One of the largest loudspeaker manufacturers in Germany, with a long history, is specialized in producing "Winter Melon Head" aluminum tape ultra-tweeter.