Old REAR speakers that need to be replaced:
TS-D1602R - 6½" 2-Way Speaker | Pioneer Electronics USA
New REAR speakers replacing said speakers (already bought):
TS-A1685R - 6-1/2" 4-Way Speaker (6-3/4" Oversized Cone) | Pioneer Electronics USA
Old door speaker component system:
TS-D1720C -...