Amazon.com: 3.5mm to 2 RCA Audio Cable for Bose Companion 2 3 5 Series II Multimedia Speaker : Electronics
BOSE speaker extension cable
Amazon.com: HQRP AC Power Cord Compatible with Bose Companion Stereo 3, 5 Speakers, Companion 3 Series II Multimedia Speaker System Mains Cable, Black : Electronics
3.5MM AUDIO CABLE AUX Cord For/Bose Companion 3 5 Series ii 2 Series III Speaker EUR 4,54 - PicClick FR