JBL Professional, a division of Harman International, operates within the Computers and Technology sector, specifically focusing on audio and sound system solutions. With a workforce of over 5,000 employees and reported revenues of approximately $1.4 billion, the company specializes in providing professional audio equipment and services. Their published materials primarily address the technical considerations involved in sound system design for various applications, particularly in environments such as churches and large venues. Key topics include the selection of appropriate loudspeaker systems, the importance of achieving even sound coverage, and the balance between architectural aesthetics and acoustic performance. JBL Professional emphasizes the need for sound system designers to evaluate different configurations, such as mono and multi-channel setups, as well as the advantages and limitations of technologies like vertical line arrays compared to traditional loudspeakers. Their resources serve as guides for professionals seeking to optimize audio performance while adhering to budgetary constraints and operational expertise.