TESTED EARTEC UltraLITE-HD UL2S 2-PERSON INTERCOM SYSTEM — SET 12. • Eartec UltraLITE-HD UL2S system. • 1 Eartec UltraLITE-HD Single-Ear MAIN/MASTER Headset. • 1 Eartec UltraLITE-HD Single-Ear REMOTE Headset.