Modules

As modules can be linked via audio cables, here are some inexpensive modules that can be used to extend an overcrowded main module.

See Open-Source Module for DIY possibilities.

Here are some options that are not listed on a separate page.

Modules

• KAT Percussion, kt4, (link)
• MarkDrum (link)

The availability timeline chart for Roland modules is available at Wikipedia (link).

Sensors

• Versatrigger