RBH Sound Taps International AV to Handle Overseas Sales RBH Sound appointed International A/V Sales as its international sales representative firm.ResidentialSystems ⋅ Jan 12, 2016 RBH Sound has appointed International A/V Sales as its international sales representative firm. International A/V Sales, led by James Wellnitz, facilitates and manages business partnerships with AV distributors and A/V equipment manufacturers. International AV Sales adds RBH to its client list alongside other manufacturers such as ATI, Screen Innovations (SI), Theta Digital, Wolf Cinema, and Zektor. RBH’s sales and marketing director Daren Egan says he expects International A/V Sales to grow the company’s overseas business. SubscribeFor more stories like this, and to keep up to date with all our market leading news, features and analysis, sign up to our newsletter here.