How to pronounce“11d”in English

Sennheiser MK 416 above the batteries is the sanken Coos 11d the lab mic I'm using right now which is doing a pretty good job above that is the Canon 100mm

not just in a four-dimensional world but in a 11dimensional world. These other dimensions we cannot see but we think

I have in here is a zoom h4n this is my audio Beast this is where the foam head will go this is where the senin cosos 11d microphone will plug in this is the