PC Engine DUO console, simple and compact design. - Model Name: PC Engine DUO - Color: Black - Condition: Console only HuCARDs work without issues. CD-ROM: Works, but the PCM sound is fine, while the volume of the CD audio is low. Headphone jack: Sound comes out, but the volume control doesn't work. Please consider this before purchasing, and no claims will be accepted. Those who are okay with the issues or can repair it are welcome. Thank you for viewing.