Sound characteristics of tailstock of ancient river channel

The voice is rich and transparent. According to the data of the ancient river tailstock, the sound characteristics of the ancient river tailstock are rich and transparent. It is characterized by copper wire as the main low frequency, single crystal copper as the low frequency stability, single crystal sound as the high frequency acceleration, delicate sound, the goddess intermediate frequency is absolutely dead, the high frequency intermediate frequency is well controlled, the high frequency is just right and the low frequency is stable. In the heart of the sea, it is a necessary wire for entry-level fever, and all three frequencies have been significantly improved.