Yaesu SP-102P Speaker with cable terminating in 1/8-inch mini phone plug (mono), when connected to a source, such as the mating FT-102 transceiver, reproduces audio; all other functions and controls pertain to phone patch circuitry that appears to have been modified from original and have not been tested. A description of the phone patch operation as well as a schematic diagram is supplied in the SP-102P manual that can be downloaded from the Internet and is not included in this listing. The speaker functions normally when connected with the cable that is included in this listing. All risers, with extended-height risers on the front, are included. Cosmetic imperfections may be seen in photos.