Sonoma M1’s superb headphone system, sounds like my Dutch&Dutch 8C, I can give them no higher praise than that.
https://www.dropbox.com/s/3v7omdh1m0cfs0m/WA Sonoma Testimonials Flyer Nov2018.pdf?dl=0
Keith
https://www.dropbox.com/s/3v7omdh1m0cfs0m/WA Sonoma Testimonials Flyer Nov2018.pdf?dl=0
Keith