BIG NAME IN AUDIO is a term that refers to two of the most well-known and respected companies in the audio industry: Yamaha and Bose. Yamaha, with six letters, is a Japanese multinational corporation that manufactures a wide range of musical instruments, audio equipment, and other products. Bose, with four letters, is an American company that specializes in the design and production of high-end audio equipment, including speakers, headphones, and sound systems. Both companies have been around for decades and are known for their quality products and innovative technologies.