Toslink to Mini Toslink Cable (6 FT), Fosmon Digital Optical Audio Male to Male S/PDIF Fiber Optic Cord for Apple MacBook Pro, Mac Pro/Mini, iMac, Chromecast Audio, & More - Walmart.com
Google Store Now Selling Chromecast Audio RCA & Optical Cables
Chromecast Audio competes with Sonos for a tenth of the price