I think I found it. An analog OC-2 style Octaver with more headroom (MB Octaver Raw) | TalkBass.com
Markbass Super Synth - YouTube
Markbass - MB OCTAVER Raw Series - YouTube
Markbass MB Octaver Raw Series Harmonizer effect pedal for bass
Markbass Octaver | Reverb Australia
Markbass MB Octaver Raw – Thomann United States
Markbass MB OCTAVER RAW SERIES | Reverb
MB OCTAVER RAW SERIES | MARK BASS MB OCTAVER RAW SERIES The MB OCTAVER RAW SERIES delivers a super fast-tracking, even in the low range. It adds beefy bottom-end and extra...
MB RAW OCTAVER – Markbass
Markbass OCTAVER Bass Pedal | Musician's Friend
MB RAW OCTAVER – Markbass
MB Octaver - Markbass MB Octaver - Audiofanzine
MB RAW OCTAVER – Markbass
Markbass Octaver Raw Series | TalkBass.com
MB Octaver Raw Series - Markbass MB Octaver Raw Series - Audiofanzine
MARKBASS MB Raw Octaver Bass Guitar Effect
Markbass Octaver - Sound Samples & Features - YouTube