Black and white guitar effects pedal, Riddle Qballs, visible on packaging.

Electro-Harmonix Riddle: Q Balls Envelope Filter For Guitar — Pedal Resale Value

Effects and Pedals

What a used Electro-Harmonix Riddle: Q Balls Envelope Filter For Guitar sells for on Reverb (median of 2 recent listings).

Electro-Harmonix Riddle: Q Balls Envelope Filter For Guitar value — Used $197.24. Prices updated July 2026.

Used
$197.24
New / Sealed
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Item details

Brand
Electro-Harmonix
Make
Electro-Harmonix
Model
Riddle: Q Balls Envelope Filter For Guitar
Finishes seen
Tan
Used range
$124.46 – $197.24
Sample size
2 listings

Electro-Harmonix Riddle: Q Balls Envelope Filter For Guitar resale value

The used Electro-Harmonix Riddle: Q Balls Envelope Filter For Guitar has a median Reverb asking price of $197.24, ranging from $124.46 to $197.24 across 2 current listings.

What drives the price

For a used pedal, true-bypass vs buffered, enclosure wear, and whether it's a discontinued or boutique run move the price most. Vintage and limited runs command a premium; player-grade and modified examples sell for less.

Price guide

What this actually trades for — sold values by condition vs. what sellers are asking today

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ConditionValueBased on
Used$197.24eBay sold comps

Frequently asked questions

What finishes is the Riddle: Q Balls Envelope Filter available in?
The finishes seen for this model include Tan.
What is the current price range for this pedal?
Used listings for the Electro-Harmonix Riddle: Q Balls Envelope Filter range between $139.97 and $150.
How many listings are currently available for this item?
There are currently 2 listings available for the Riddle: Q Balls Envelope Filter.

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