Speaker amps, often referring to speaker amplifiers, are devices used to amplify audio signals to drive loudspeakers. While "Speaker Amps" is not a specific brand, it is a category within the audio equipment industry. Major brands in this sector include Crown Audio (USA, owned by Harman International), QSC (USA), and Yamaha (Japan). These companies produce power amplifiers for professional audio, live sound, and commercial installations. Products range from compact models for small venues to high-power amplifiers for large-scale events. The industry serves sectors like entertainment, public address systems, and home audio.