Yamaha Pro Audio, Inc. is the Pro Audio Division of Yamaha Corporation that offers a complete line of professional audio products for the live sound and sound reinforcement markets. Their lineup includes a number of mixing consoles, signal processors incorporating DSP technology, power amplifiers based on energy-efficient drive technology, and an extensive range of speakers used for live sound or commercial installations. It has a long history of introducing significant products for the professional audio market such as the PM-1000 modular mixing console, the REV1 and SPX90 digital signal processors, the NS-10 studio monitors, and the 01v, 02R, 03D, PM1D, PM5D, QL5, M7CL, CL5, and PM10/7 Rivage digital mixing consoles.