Thank you for selecting Aerospace Aviation 360 for A4MBAU by Switchcraft Inc under Connector Audio And Video. We are proud to be an ASAP Semiconductor owned and operated website, a leading distributor of aviation and aerospace part numbers like A4MBAU. To help us better understand your parts requirements, please fill out an RFQ form for part number A4MBAU with your details, and our customer executive will respond to your RFQ in 15 minutes or less.