Module is available as a DIY project only.
This Module is currently available.
Dual Square Wave Generator Model 144 clone.
The La Sesenta y Siete 144 is a Dual Squarewave Generator
More info here: https://www.lasesentaysiete.com/ and here: https://www.muffwiggler.com/forum/viewtopic.php?t=208349
These merchants probably sell this module. Huh?
Thomastick 144 CELLO DOMINANT G STRING
thomastik italia 144 SOL DOMINANT
Grover 144BCL4 Mini Bass Machines (144
K&M 144-1
Thomastik-Infeld THOMASTIK 144 SOL
Thomastik-Infeld 144TH