Decibel Eleven - Huge clearance sale! Add 4 loops for only $89! The Decibel Eleven Loop Expander is a true bypass audio switcher that adds programmable effects loop switching to any MIDI
Voodoo Lab Pedal Power X4 Expander Kit Effect Pedal Power Supply – All Music Inc.
Is there an "expander" pedal for note attack AND decay? Yes: Malekko Sneak Attack | TalkBass.com
Electro Harmonix Steel Leather Bass Guitar Effe cts Pedal | MUSIC STORE professional