Sansa Clip 01.01.29 Latest Firmware Download

It seems to support even lower bitrates. I’ve had mp3s at 32kbps on it and it played those too.

As for Vorbis: I used the aoTuV b5a encoder(oggenc2.exe) to encode to q-1(48kbps) and q-2(32kbps) and both played fine.