Hello,
I am user of Canton Reference 9K for 2 years. Depending on the space available, they are excellent speakers, and require quality muscle electronics and immediately generate beautiful sound. As mentioned, it is a Neutral sound, well balanced, and very acceptable at low frequencies. If the path is to fill a larger space with the weight of low frequencies, a Canton Reference column is necessary. It is also an option to add the Reference 50Sub subwoofer that today and it is phenomenal...