Search for the loudspeaker, it's one unit. With the buzzer. I replaced mine and it made no difference, from what I have found is that the s24s have motherboard problems and I'm pretty sure that was my issue, I just ended up trading it in for the new 25+. But you might have more luck then me.
https://www.ebay.com/itm/315748175922?chn=ps&var=614173568056&_trkparms=ispr%3D1&amdata=enc%3A1hKxN4bwnQUKnXS8aSonweg43&norover=1&mkevt=1&mkrid=711-117182-37290-0&mkcid=2&mkscid=101&itemid=614173568056_315748175922&targetid=2320093655185&device=m&mktype=pla&googleloc=9033718&poi=&campaignid=21672921824&mkgroupid=164322966662&rlsatarget=pla-2320093655185&abcId=10012312&merchantid=5354085586&gad_source=1&gclid=CjwKCAjwtdi_BhACEiwA97y8BPvebyBBMYJz-GpR4yxRu3CkgM2abJMoJT4OFdetOcXenhBAmlUeJxoCwJUQAvD_BwE