1. iron triangle
Tiesanjiao is a Japanese electronics company founded in 1962. The main business is the research and development, production and sales of various audio-visual equipment such as microphones, headphones, wireless systems and household appliances.
2. Sennheiser
Sound Sea (formerly known as Sennheiser): Sennheiser is recognized as the world's leading professional microphone and earphone manufacturer founded by Dr. Fritz Sennheiser (Dr. Fritz Sennheiser,1965438+201May 9, 0) in 1945. Headphones change headset mode:
3.AKG
AKG (Chinese trademark: AKG), one of the most famous brands in the audio field and one of the four largest earphone manufacturers in the world, is a representative of professionalism and sound quality. AKG relies on microphones, headphones and communication equipment to survive, and its good sales performance proves the correctness of this decision to the world.