Whether you are fitting four new speakers, or just adding an extra pair to your existing system, the choice is vast. Below are some old speakers and fader controls from Pioneer. A TS-VX700 is a surface-mounted wedge-type rear speaker. B TS-R800 mounts into the rear parcel shelf. C TS-X30 is a surface-mounted rear speaker. D TS-1612 flush-mounted speaker for use in front or rear locations. E AD-940 fader control. F UD-780A fader control.