Used but fully working, no box. Comes with Coaxial cable as well.

The Marmitek Digital Audio Converter is a portable audio converter that allows you to easily connect digital audio sources to your TV or home audio system. With both coaxial and optical inputs, as well as a 3-pin plug option, this converter offers versatility and convenience. Its compact design and powered operation make it a practical choice for improving your sound quality and ensuring compatibility with a wide range of devices. Made in China and with a sleek black finish, this audio converter from Marmitek is a reliable and efficient solution for enhancing your audio experience.