AXT651 Talk Switch from Shure is an interface device that provides push-to-talk control for intercom, conferencing, and live sound systems. It features two momentary push buttons with independent signaling outputs to trigger or mute a talk path, suitable for integration with compatible Shure signal routing and distribution ecosystems. The unit supports configurable logic levels and dry-contact style signaling for straightforward external controller integration, designed for event environments with reliable, low-latency operation.