The Pioneer TS-X9 is a car speaker introduced in the 1970s.
It was the flagship model of the "Lonesome Carboy" series that the company was developing at the time, It was considered the pinnacle of car audio at the time.
The TS-X9 is a two-way configuration with a 13cm woofer and 25mm tweeter, and uses an aluminum body enclosure.
It achieved extremely high-quality sound for its time.
It also reproduced a spacious sound field by employing unique acoustic technology.
