Avantone Pro AV10-MXO Crossover for Yamaha NS10M SpeakersThe AV10 MXO from Avantone is a replacement crossover for the Yamaha NS10M, a legendary referencing monitor whose original components are currently out of production. The AV10 MXO is a bolt in replacement for the original crossover. It is installed easily, with minimal tools. The design does sport improvements over the original, such as an aluminum rear panel as compared to the plastic material used in the original's crossover. The rear terminal plate