Rabbi Avigdor Miller's lectures on Perek Chelek (the last chapter of the gemara Sanhedrin) complete in 44 MP3 lectures. More than 45 hours of audio! Lectures are saved in 5 ZIP files. Download and unzip to listen.
These shiurim are available on 2 MP3 disks at a cost of $6 (free shipping). Disks are made when ordered; allow 1 week processing for disk orders.