Set contains:
| Stereophonic recording technique | Double MS |
| Windshields & suspensions for the CMIT series A selection of the available products for the CMIT series | en | |
| Double M/S – a Surround recording technique put to test Paper on the basics and properties of the Double M/S technique Helmut Wittek et al., 2010 Articles | en | |
| AK DMS 3U Assembly Instructions User guides, manuals | en |