88% of 307 verified owners recommend the Walrus Audio Slo, based on real owner verdicts aggregated from Reddit, enthusiast forums, and YouTube.
Affiliate blogs here say 100% recommend, while the owner-based score is 88%. They earn a commission on every sale — so we show them for transparency but never let them move the score.
The headline score reflects owners (Reddit, enthusiast forums), independent lab tests, blogs with no affiliate links, and YouTube owner-comments when they line up with owners. Affiliate blogs is shown for perspective but kept out here — hover the i for why.
Synthesized from what Walrus Audio Slo owners say — not a spec sheet.
Retailers' own star averages, for comparison — separate from our vetted owner-verdict score above.
“Walrus audio slo, I love the art but it's just another shitty Fv-1 reverb with uninteresting algorithms.”
“I wish they’d make stereo out for this pedal”
“Yes this is the looking out the car window being sad sound I needed”
“if this pedal had presets it would be so awesome”
“Oh god my wallet”
“The reason why I'm writing a review on NPD is because it has a glaring flaw. *Hiss.* Or white noise, whatever you want to call it. **It is really really bad.** It is so so much louder than the noise contributed by my other pedals.”
“I have a Walrus Audio Slo. I generally use it on the Dream setting, there is a sustain switch that holds your last sound infinitely and you can play over it, its a nice feature. The pedal also has 100% wet and long decays. Its a different kind of reverb though”
“You guys are my favorite guitar pedal company.”
“in real life it was super sterile and just underwhelming. Some people have said it takes a lot of time and effort to get sounding natural and full of life but I couldn’t get rid of it fast enough. Same can be said for the Walrus Audio Slo”
“I'm not feeling this one.”
“Please, do a stereo slo and add reverse and it will be the best compact ambiant pedal ever”
“Perfect way to calm down after a stressful day. Play the slö to slow down. Falling asleep while playing guitar, after playing for hours, it's addicting.”
“Walrus is not compelling and versatile to me ears.”
“I think I'll need a separate pedalboard exclusively for Walrus Audio effects.”
“The only downside I found is at 06:06”
“The best swell I’ve ever found is the swell setting on a Walrus Audio SLO set fully wet. I adore this setting but don’t really use the pedal for much else (it has a big spacey modulated verb and octave down modes) a lot of people seem to love these but they don’t fit me.”
“Sold mine back in college to help with a deposit on a new apartment when I graduated. Have missed it ever since. Reordered it today and I can’t wait to start playing around with it again.”
“I'll happily stick with that one.”
“I went a bit far into ambient territory on my verb pedals, wish I’d of gotten something a bit more standard, I have the walrus audio slo, Keeley Loomer and obne minim, but I want a good spring/hall/plate sound.”
“Why. Doesn't. It. Have. MIDI.”
“The Slö is made of high quality, the box itself and also the sound of the reverb. It' s functionally reliable.”
“One thing to be aware of with the SLO - it’s got a noticeably high noise floor, even when disengaged. I’ve had this confirmed by Walrus.”
“I sold/upgraded my Slo to this one and never looked back. It worked incredibly well as a base reverb (before I snagged the CXM)”
“Such such a different take on a reverb pedal without it being too gimmicky.”
Practical notes owners raise — setup, quirks, and issues to watch for. They don't say whether the person likes the product, so they're not counted in the score, but they inform the pros, cons, and who it's for.
“Just spent some time with a Walrus Audio Slo. Reverb with a lot of modulation variation. Warps, reverse and other sounds that connect to Shoegaze playing.”
“I had the Walrus Audio Slo which was beautiful but not stereo and, for what I need, less versatile than the HoF2.”
“Had to use the manual and watch a video to figure out how to use the Walrus Audio Slo pedal, and I still refer to it sometimes years later.”