Tested and fully functional. Great sound The ALTEC LANSING/DELL ACS340 tMultimedia Computer Speaker System is a 2.1 channel speaker system with a powered subwoofer, providing a high-quality audio experience for your computer. With a sleek beige design and Dolby Digital surround sound formats, this system delivers powerful sound for immersive multimedia experiences. The wired connectivity and 3.5 mm jack audio inputs make it easy to set up and use with a variety of devices. Manufactured in 2010, this plastic speaker system from Altec Lansing is a reliable and versatile option for enhancing your computer audio output.