Bose is an American audio equipment brand that specializes in high-end audio products, such as speakers and headphones. AIWA is a Japanese electronics brand that produces a variety of audio equipment, including home theater systems and portable audio devices. Deere is an American company that manufactures agricultural, construction, and forestry machinery, as well as lawn care equipment. Stereos is a term used to describe any type of audio system that has two or more channels of sound. STEREO is a term used to describe any type of audio system that has two channels of sound. Amps is an abbreviation for amplifiers, which are devices used to increase the volume of an audio signal.