The A-1 is a high performance desktop microphone for professional Public Address installations. It has lighting indicators in order to show active state, line busy or permissionto-speak granted. High performances dynamic capsule. Local power supply. Audio gain setting. Configurable contact relay for auxiliary system. Busy line and conceded-word indicators. Lighting indicator placed in the goose-neck. Suitable for EN 60849 PA/VA systems like SONORA.