Gordon Sprouse, global marketing director for Lowrance, explains the new SonarHub Sounder Module, a black-box add-on that works with Lowrance HDS and Simrad NSE, NSS and NSO displays. The module provides three sonar technologies in one box: broadband sonar, CHIRP and StructureScan (down-scan and side-scan imaging). (Shot with a GoPro.) To see more Fort Lauderdale International Boat Show coverage, visit our FLIBS page.