Use this fixed alsaequal, https://github.com/dimibyte/gentoo-overlay/tree/master/media-plugins/alsaequal it works unlike default from portage I can confirm it works because I had to find out the hard way.
Thank you for the report. Please explain, what is broken exactly and what did you do to fix it? Did you simply change the SRC_URI, or something different?
It simply does not work you could try for yourself or the link that I added works because it has more patchsets
"simply does not work" does not help us. We have 650000 tickets in this bug tracker and most of them could classify as "does not work" Please join our IRC channel on #gentoo and ask for help to provide the information we can work with. Write "bug 653122" in your question and our bot will prepare a link for the readers. In the meantime please recompile and *attach* the logfiles and paste the emerge info as described on https://wiki.gentoo.org/wiki/Attach_the_logs_to_the_bug_ticket