There is a small plastic my toddler put in the bottom of the unit that rattles a little but still works fine. Sonos Connect Gen 1 Wireless Home Audio Receiver is a white, single-core processor unit manufactured in 2015. It supports AAC media format and offers Dolby Digital and Dolby Surround sound formats. With features like firmware upgradeable, Wi-Fi connectivity, and voice control, this 1st generation Sonos Connect model is designed to provide high-quality audio streaming for your home entertainment system. It has various audio/video outputs including S/PDIF, TOSLINK, RCA, and coaxial RCA, making it compatible with a range of devices. The unit also has 32MB storage capacity and operates on the Sonos operating
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