Check the listing for details. PreSonus NSB 32.16 32-Channel AVB-Networked Stage Box. Condition: New. Listed at 1199.99 USD. Designed to work seamlessly with PreSonus StudioLive Series III mixers, the PreSonus NSB 32.16 stage box offers 32 locking combo mic/line inputs with remote-controlled XMAX preamps that include gain compensation for shared input scenarios. All inputs can be controlled from a StudioLive Series III console and from free PreSonus UC Surface software. All sixteen outputs employ locking XLR jacks. A built-in 2-port AVB switch lets you daisy-chain multiple units. A rugged steel chassis with multi-position rack ears allows I/O to be available from the front or the rear of the rack and flushed or recessed for flexible installation. As a standard 3U 19-inch rack unit, the NSB 32.16 is compatible with most racks and universal stage pockets.