This article asks if soundscapes are reasonable by inquiring if they can be designed to enhance the capacity for reasoned judgment. Using a normative pragmatic approach to argumentation theory, I demonstrate that soundscapes can be strategically designed to amplify or attenuate obligations, increase or weaken conviction, and create or mask argumentative context. I use the paradigm case of the 2012 casserole protests in Quebec to identify how arguers can use soundscapes to compel a response, increase the desire for advocacy, and create a public context. This expands the multimodal argumentation literature to incorporate sound. This article also intervenes into sound studies by supplying critical norms of reasonableness to assess soundscapes.