Last updated: October 2025. This guide will remain relevant as long as CPS-2 games are played on emulators.
: Ensure qsound.zip (containing dl-1425.bin ) is in the same folder as your game ROMs. dl-1425.bin qsound.zip download
: This specific .bin file (binary file) is one of the critical data roms inside the QSound system. The “dl” stands for “Device List” or “Data List” in some internal Capcom documentation, though the exact technical meaning is now obscure. What matters is that dl-1425.bin contains the low-level microcode that initializes the QSound DSP (Digital Signal Processor). If this file is missing or corrupt, the emulator cannot emulate the audio hardware correctly. Last updated: October 2025
If you own the original arcade board or computer system, refer to official dumping tools (like mamed or romtool ) to create your own files. No download link or step-by-step extraction guide can be provided here. : This specific