NTSC (North America/Japan). While Jtag/RGH consoles are region-free, matching the DLC region to your base game (Title ID) is often necessary for compatibility.
These are usually "unlocked" files. On a retail console, DLC requires a digital license; on a Jtag/RGH, the console skips this check, allowing the content to run directly from the hard drive. Performance & Value (NTSC – Jtag/RGH) (Game DLC)
This specific subject line——is characteristic of listings found on archive sites, forums, or torrent trackers catering to modified Xbox 360 consoles. It indicates a collection of Downloadable Content (DLC) intended for consoles that have been hardware-modified using Jtag or RGH (Reset Glitch Hack) . NTSC (North America/Japan)