You can find the apk in every rom which includes the DSP Manager. Download (for example - h t t p://fitsnugly.euroskank.com/skankwich/crespo/) - extract or browse
in system/app and you'll find the DSPManger.apk, then copy and install
it's easy to install it like any other .apk through the android os (no need to boot into recovery), just check the box 'Unknown sources' in Security settings, and install it from your sd with any file manager.
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