The Ecreso FM is a digital FM transmitter for analog FM, offering rock-solid audio quality with the lowest Total Cost of Ownership thanks to its robustness, highest efficiency, and multitude of onboard software technologies. This pack by Ecreso offers the best ratio between price, performance and features. It also comes with an extended 4-year warranty.Package Main Features:Essentials – THE ENTRY LEVEL:Digital FM exciter (with FSK ID)Analog audio & MPX inputAudio & MPX over AES inputAudio backup with SD cardSilence detectionIntelligent input switchingWide band sound processorWeb GUISchedulerNotifications via e-mail & SNMPAnalog GPIO and FSK ID (USA only)KYBIO cloud monitoring for 1 yearSmartFM, 3-month FREE trial2-year warrantyPerform – THE MOST POPULAR ONE:Includes all the features from ESSENTIALS +Dynamic RDSSurge protector5-band sound processor4-year warrantyExtreme – ALL INCLUSIVE:Includes all the features from PERFORM +SmartFM license10-year warranty