Just like a chocolate milkshake, only crunchy. Seriously, this is very crunchy indeed. The WIIO is voiced after 70s Hiwatt amps, which were loud, abrasive and mids-heavy, like a Vox but even more British-er. If you're after that classic The Who-esque tone, here's a box for you.

Model: Catalinbread WIIO v2 Overdrive Pedal
Made: USA, recent model
Type: overdrive, Hiwatt voiced
Power: standard 9v negative supply (not included)
Equivalent new street price (approx): n/a
Mods: velcro attached
Accessories: no box or docs
Condition notes: used, no major marks, very good condition