While the string looks like a specific technical serial number or a catalog entry, it is actually deeply rooted in the world of vintage hobbyist collectibles and archival digital media.
“Mondo” is sometimes a brand of audio/video cables. “NO135” could be a length (135 cm). “Extra quality” would then suggest double shielding, gold-plated connectors, and oxygen-free copper.
Given the lack of specific details, here is a general template for what a review structure might look like:
Unlike standard releases that were compressed to fit on smaller storage media, the EQ version utilizes the full capacity of the carrier, ensuring minimal artifacting.