Tested and working! Done not include RCA adapter. Great set of speakers and comes with power cord. Thanks for looking!

The Bose Companion 2 Series II Multimedia Speakers in Grey are a wired 2.0 channel home theater speaker system that delivers high-quality audio performance. With audio inputs including R RCA, Stereo L, and a 3.5mm jack, these rectangular-shaped speakers offer versatile connectivity options for your multimedia devices. Made of durable metal, these Bose speakers are designed for optimal sound quality and are perfect for enhancing your computer or desktop audio setup. Whether you're looking to upgrade your home theater system or improve your laptop speakers, the Bose Companion 2 Series II Multimedia Speakers in Grey are a reliable and top choice.