Headquartered in Northridge, California, JBL Professional is the world's leading designer, manufacturer and
marketer of professional loudspeakers for musician, contracting, tour, cinema and recording / broadcast
applications. JBL Professional is part of the Harman International network of professional and consumer
audio companies.

Acquired by Harman International in March of 2000, Crown has continued to move forward, producing numerous innovative designs, including The CTs Series amplifier line for the installed sound markets, Crown’s next-generation IQ System, now called IQ Network, and the I-Tech Series touring amplifiers, the world’s most advanced professional amplifier and representing the pinnacle of their over 30 years of amplifier leadership. These products and more embody the reliability and innovativeness that have long been the manufacturer’s hallmarks. And with each product backed up by a three-year, no-fault, fully transferable warranty, Crown today continues to delight its customers with products that consistently exceed both specifications and expectations, even on the most demanding tours and installations.

 Yamaha has endeavored to produce products and services that satisfy the diverse needs and desires of people worldwide. Its products and services are recognized the world over for superior quality in acoustics, design, technology, craftsmanship, and customer oriented services. These products and services under the brand name of Yamaha are highly regarded by a large number of professionals, institutions, business people within the related industries, and consumers.

With more than four decades in business, QSC Audio Products, LLC, is a globally recognized leader in professional audio. This prominence is the result of the company's mission to establish new standards of reliability and performance through the development of breakthrough technologies. QSC's products meet the demanding requirements of audio professionals in concert, installation, portable entertainment and cinema applications.

Founded in 1973, Soundcraft first made its mark with the launch of the Series 1, the first mixing console in a flightcase. Back in the early 70's, the music touring business was just beginning - and the transportable mixing desk quickly became popular among the bands and the new PA companies that were springing up to rent out sound equipment. Today Soundcraft has a network of over 100 distributors selling and supporting its products world-wide. Part of the Harman Pro Group, Soundcraft is still very much the dedicated professional mixing console designer and manufacturer it was back in 1973. It now boasts a range of mixers which are designed for use in live sound, recording, post-production, TV and radio production and disco applications.

Around the world recording studios, radio and TV stations, opera houses and famous stages count on AKG products. Internationally known musicians and show-stars have frequently been seen using our high-quality microphones and headphones for many decades. Today AKG is one of the leading manufacturers of high-quality microphones, headphones and wireless-equipment. Listed below is the brief story of one of the most famous brands in the professional audio-world.