The term AUDIO GIANT can be summarized by the crossword solution BOSE, which is a four-letter word. Bose Corporation is an American audio company that designs and manufactures high-end audio products such as speakers, headphones, and sound systems. Founded in 1964 by Dr. Amar G. Bose, the company has become one of the most recognizable names in the audio industry. Bose is known for its innovative technology and superior sound quality, making it a leader in the audio industry.