This Module is currently available.
Reconfigurable multiple
TomaTek-Audio MULT
Simple passive multiple configured for 2x3 operation with normalisation between jack 4 and 5.
By changing solder jumpers it is possible to change it's configuration to 2x3 without normalisation or 1x7.
The panel is reversible.
see github for changing the default configuration of this multiple. https://github.com/thopman/passive-mult