A professional portable active press box (Audio Splitter) suitable for both indoor and outdoor press conferences.  It features 1 MIC/Line Input and 24 Line/Mic Outputs. Each Output is independent transformer balanced and isolated. The APB-124 SB also includes a rechargeable AccuPack so it can run on its own up to 8 hours. It also has a link Output so you can daisy chain more of them in a row if you need additional Line/MIC Outputs.