Sirius XM Satellite Radio Antenna for Boombox Powered Speakers Docks and Cradles
Cradles & Docks. Typically we see this with the XMBB1, SUBX1, and SP-B1. Allowing this kit to work with ALL Sirius and XM Radio Boomboxes, Speaker Docks, and table radios. Antenna Extensions. Boomboxes & Speakers.