JBL Professional - HARMAN Ambassador and mixing engineer Adair Daufembach uses the JBL M-Patch 2 passive stereo controller and switch box to easily control volume levels and switch between monitors during studio
![Amazon.com: JBL Professional Active-1 Precision Monitor Control, Studio Talkback with USB Audio I/O : Musical Instruments Amazon.com: JBL Professional Active-1 Precision Monitor Control, Studio Talkback with USB Audio I/O : Musical Instruments](https://m.media-amazon.com/images/I/61PkEAga6yL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: JBL Professional Active-1 Precision Monitor Control, Studio Talkback with USB Audio I/O : Musical Instruments
![JBL Professional MPATCH2 Multi-Channel Passive Stereo Auxiliary Controller and Switch Box : Amazon.in: Musical Instruments JBL Professional MPATCH2 Multi-Channel Passive Stereo Auxiliary Controller and Switch Box : Amazon.in: Musical Instruments](https://m.media-amazon.com/images/I/61BtveGjCnL.jpg)