Hi @escueboone
Have you verified that it is the speakers and not the audio IC on the mainboard that is the problem?
Just asking as according to the [https://files.bbystatic.com/Qy%2BSNENb2pyqBZxtJmE7KQ%3D%3D/49328AD5-B29C-4568-B49D-1EB3363E3F3F.pdf|user manual] it seems there's a 6.5mm analogue stereo audio output socket on the back of the TV
Perhaps you could plug a sound system into that to check if it is the speakers or the audio IC.
If it is the speakers, as Toshiba doesn't release service manuals, you may have to open the TV and check if there's a part number on the speakers and see if you can locate a pair that way.
Here's a [https://www.ebay.com/itm/266848025566?_skw=43LF421U19+speaker&itmmeta=01JKPSA1H3Z2D9HE7EDM72F631&hash=item3e2161bbde:g:vHcAAOSwPeZmYkxW&itmprp=enc%3AAQAJAAAA0HoV3kP08IDx%2BKZ9MfhVJKnxKywMB8ATTfYCB91Zh1lErLe3wv31d3Q8Ok5H8YPevZjTkb9Wkv5ktav1pXmELEwu9CjmUCKrC4hiM%2FYxubcLtBhrdsVf76d53uW3VVFP2IYLsBWI%2Be3S9ioMLLAr%2BzX22JSwv33EmhhhrvOEi0pf6IVRQHIkdK0Owdg0adl%2FPJrmrbozB%2FCP%2By7J4cRgjXbywhV2uFh81jUKqLR5U%2Bex6%2BiEXWbZBpSGkd8SZkfqDWXGzqb%2Fs1kPXp6hRUnZuN8%3D%7Ctkp%3ABk9SR9iYqNmdZQ|link] that shows what they look like that may help.