# SOOOT Box Uses Punched Paper Cards for Analog Audio Control A physical interface prototype replaces digital menus with tactile, hole-punched card interactions. - **Source:** [Yanko Design](https://brifing.si/source/41d28791-ef47-4e0b-a40a-2a5efca0c11b) - **Published:** 2026-10-29 - **Topic:** [Product Management](https://brifing.si/c/product) - **Original article:** - **On Brifing:** https://brifing.si/s/a7f29281-4ba9-4a28-95ec-924089e1ce31 ## Physical Interface Innovation The SOOOT Box prototype challenges traditional screen-based navigation by utilizing punched paper cards to trigger audio functions. Developed by three-2-one GmbH, the device features a black, elevated chassis with a top-loading slot. It replaces complex digital menus with a tactile system, allowing users to select content by physically inserting cards into the unit. ## Mechanism of Action These cards contain no internal electronics, relying instead on specific patterns of punched holes to communicate instructions to the device. Playback begins immediately upon insertion and ceases when the card is removed. Users can customize the surface of the playing-card stock, providing a personalized, visual label for their specific audio files or functions. ## Modular Logic Operations The system supports up to four simultaneous card insertions, enabling complex logic through stacking. For instance, combining a timer card with a multiplier card allows for precise task management, such as sourdough baking cycles. This modular approach moves control from buried app settings to physical objects arranged directly on the kitchen counter. ## Contextual Room Integration Beyond simple playback, the device adapts to different environments like bedside tables or living spaces. Pairing audio with a sleep timer card triggers gradual fading, while a motion sensor card enables automated playback upon entry. The box functions offline for stored files, though streaming capabilities still require an active internet connection for operation. ## Hardware and Connectivity The unit includes a built-in battery for portability and a microphone for specific features like Party Mode. This mode translates ambient sound into red LED animations on the sparse front matrix. An indicator light provides privacy transparency, showing exactly when the microphone is active to ensure users remain aware of its status. ## Smartphone App Dependency While the device aims to reduce screen time, a companion app for iOS and Android remains necessary for initial Wi-Fi configuration and custom card preparation. The developers intend for this app to stay in the background once everyday controls are established. It serves as the backend bridge for managing user-defined content and settings. ## Development and Timeline Currently in the prototype phase, the project was recently showcased at Dutch Design Week. The team is refining the hardware and software experience before a planned commercial launch in 2027. This timeline allows for further development of the companion app and potential improvements to the card-reading mechanism for a more reliable user experience. ## Design Tradeoff Analysis The SOOOT Box presents a distinct shift in interaction design, trading digital menu fatigue for the physical management of small objects. While this reduces the need to navigate notifications, it introduces the challenge of tracking physical media. The success of this concept depends on whether users prefer tactile decks over screen-based digital navigation. ## Sources covering this story - https://www.yankodesign.com/2026/10/29/sooot-box-prototype-turns-punched-paper-cards-into-audio-controls/?utm_source=rss&utm_medium=rss&utm_campaign=sooot-box-prototype-turns-punched-paper-cards-into-audio-controls — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._