Trombon IP-VP Call Panel Type B for Effective Audio Communication

IP call panel "Trombon IP-VP" version B (hereinafter referred to as the Panel) is designed to work as part of the sound broadcasting and warning system "Trombon IP". The panel is designed to organise speech feedback in places of installation of panels with sound broadcasting console "Trombon IP-PZV", in particular in the systems of LDS of the 4-th and 5-th types.