They are constructed by individual piezo ceramic sensors for each string to improve string to string balance. Fits for 6-string acoustic guitar with 4+2 split bridge. Installed under the saddle, with no soldering required.
The Artec PG-432 4.3mm 2-Separated Piezo Pickup would be best suited for musicians or sound engineers looking for a high-quality, versatile, and user-friendly piezo pickup solution for their 4+2 split bridge acoustic guitars.