42% of 52 verified Positive Grid Spark 40owners don't recommend it — based on real owner comments from Reddit, enthusiast forums, and YouTube.
For balance: 54% recommend it. This page collects the complaints so you know what you're signing up for — read the full owner report for both sides. How we score
“The first built-in practise pattern I tried has got wrong chord positions in the grid - pretty much useless for a beginner, who *depends* on the practise material to be _correct._”— @Noone-of-your-Business on YouTube
“I personally hated the way the spark sounded. I opted for a Spider V 60 Mk2 instead”— @captaco22 on YouTube
“the EQ doesn't work, and the system can't use gain loud without a loud hissy fit, rendering useless for many purposes”— Competitive_World927 on Reddit
“The Spark 40 isn’t bad by any means but I think the THR is a better and simpler (in a good way) package”— huyexdee on Reddit
“I wouldn't recommend a positive grid product to someone who wants to learn to play the guitar”— didihearsnacksorwhat on Reddit
“The spark 40 I have does not like hot or high output pickups or pickups close to the strings”— minizanz on Reddit
“I hate that the Spark isn't portable, muffled, and the auto chords are wrong half the time”— awarren82 on Reddit
“It's been a little more than a year and I don't use it anymore, just a gizmo to me”— Robb on Squier-Talk Forum
“the mustang will likely give you what you describe better than the Spark”— ReverendRevolver on Reddit
“PG flat out stinks when it comes to anything going wrong with their amps”— threedollabills on Reddit
“I have never been all that impressed by Positive Grid's modeling”— kasakka1 on Reddit
“it was very digital and thin sounding in comparison with my amp”— HSTDB42 on Reddit
Not complaints — practical notes from owners that didn't affect the score.