The Dell Zylux PC Multimedia 2.1 Stereo Speaker System A525 is a portable speaker system that includes a powered subwoofer and two speakers in a sleek silver cube design. With a wired connectivity via 3.5mm jack and separate volume controls, this system offers compatibility with universal brands and features Dolby Atmos and Dolby Digital surround sound formats for immersive audio experience. Perfect for enhancing your multimedia setup, this Dell speaker system delivers top-quality sound and performance.Powers on...sold as untested..see pic's