The United States Navy Band requires the below listed audio equipment and software necessary to fulfill its operational mission. The brands and models specified have been identified as essential requi... The United States Navy Band requires the below listed audio equipment and software necessary to fulfill its operational mission. The brands and models specified have been identified as essential requirements for compatibility, interoperability, and/or mission performance. A Justification and Approval (J&A) for the use of brand-name specifications is provided with the solicitation. Please see the attached Statement of Work and Sole Source Justification.