New Bogen Mono Aux Input Module (max1r) in original box. Opened to photograph, but never used. Introducing the Bogen Mono AUX- Advanced Input Module (max1r). This high-quality module is perfect for those in search of reliable and efficient amplifiers and preamps. Designed by Bogen, a trusted name in the industry, this module is sure to meet your expectations. With its advanced features, the Bogen Mono AUX- Advanced Input Module (max1r) is a great addition to any business or industrial setup. It's easy to use and offers a range of customizable options to suit your specific needs. Plus, it's built to last, ensuring that you get the most out of your investment.