


Electro Harmonix Doctor Q Envelope Follower
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Electro Harmonix Doctor Q Envelope FollowerLate '70s envelope controlled filter featuring range control and bass guitar toggle knob. Made in the USA. Adds quacky, auto wah style movement to guitar or bass, reacting to your playing dynamics rather than an LFO. Simple Range and Bass Toggle controls let you dial in everything from tight rhythmic funk snaps to looser vowel like sweeps. A long running part of the EHX lineup, its been a go to for players chasing classic 70s filter textures, like
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.8 ★★★★★
Based on 1203 reviews
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Product Reviews
★★★★★ 1
Flimsy and snapped easily
Style: Big Dog, Size: 1 Count (Pack of 1)
Snapped in literally under a minute of using it. The toothbrush head is so small and the handle is really thin and flimsy even though it’s advertised for large dogs… I’m so disappointed.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 18, 2025
★★★★★ 3
does the job
Style: Medium Dog, Size: 1 Count (Pack of 1)
Its does the job of cleaning my dachshunds teeth. The only issue is that the SMALL and MEDIUM are the same size. Small was okay but wanted something that would cover more area. Picked up the Medium and they are basicly if not the same size....
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 19, 2022
★★★★★ 5
Great
Style: Medium Dog, Size: 1 Count (Pack of 1)
So easy to use
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 22, 2025
★★★★★ 4
It’s an okay toothbrush
Style: Big Dog, Size: 1 Count (Pack of 1)
I thought this design was very unique and a great idea when I bought the toothbrush. The handle is sort of harder to hold on to. I like how the toothbrush bristles are very soft and it is flat on the end to prevent back of the mouth injuries.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2024
★★★★★ 5
Great smell and moisturizing
Scent: Rosemary Mint
LOVE the smell on this. Refreshing. I’m a bug magnet and I truly think it helps Keep the bugs off me. Very moisturizing. Can tell the difference on my skin.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 14, 2026
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