The audio says “Das” instead of “Da”
Unfortunately, I cannot check the exact audio (hey @mike :)) but da ist is often abbreviated and ends up sounding like das. So, you may consider it as an example of authentic pronunciation, rather than a mistake 
The audio says “Das” instead of “Da”
Unfortunately, I cannot check the exact audio (hey @mike :)) but da ist is often abbreviated and ends up sounding like das. So, you may consider it as an example of authentic pronunciation, rather than a mistake