Free resource
SyS Mandarin (YouTube)
My notes
A reliable source for shadowing material, and the content is well-paced for intermediate-to-advanced learners. I kept coming back to it specifically for speaking practice rather than passive listening.
I used SyS Mandarin primarily as a shadowing source rather than a passive listening resource — the content is well-paced and the articulation is clear enough that I could hear exactly what I was trying to reproduce. The channel's intermediate-to-advanced focus meant I wasn't constantly stopping because the content was too easy, which is a real problem with channels pitched at beginners. For speaking practice specifically, I found this more useful than any conversation simulator, because the content is authentic rather than pedagogically simplified.