Opened, tested, but I decided to stick with my DSP multi-effects.
Everything you need to know about it is here: https://www.ehx.com/products/bass-mono-synth/ and there's a few good videos, too.
May be willing to ship at buyer's expense, but local pickup preferred. Cash, Venmo, or Zelle ok.
I won't respond to emails that appear to be auto-generated with text like, "Is this still available?" etc. Please take the time to convince me you're human, otherwise I'll delete.