

The Electro-Harmonix Riddle is a powerful and precise envelope filter designed for guitar frequency response. It offers a frequency response tailored for guitar ranging from 80 Hz to 5 kHz. The pedal features optional expression pedal control, a fully-analog circuit, and switch-selectable analog distortion designed for guitar. Users can control the filter sweep with their foot by plugging in an optional expression pedal. The Riddle also provides the ability to adjust Q, sweep range, and filter type, making it one of the most versatile wahs available.
Additional features include start and stop sweep control, low pass, band pass, and high pass filter select, separate dry and effect outputs, and a 9.6VDC 200mA power supply included. The dimensions of the pedal are 4.75 inches (width) by 5.75 inches (length) by 2.5 inches (height), or 146mm (width) by 121mm (length) by 64mm (height).
The Riddle is known for delivering tight and smooth control over the complete frequency range, with a consistent and even sweetness. The analog distortion feature allows users to dial in anything from subtle bite to dominating crush, adding versatility to the pedal's capabilities.
Watch the latest video demos and reviews for the Riddle from YouTube. Stompbx updates this every six months to reflect the most popular reviewers and guitar pedal demos for each pedal.
Below are live Reverb listings for the Electro-Harmonix Riddle from Reverb. Stompbx automatically aggregates current offers to give you a quick look at available models, conditions, and prices. Perfect for comparing options and making an informed purchase.
Brand New
$199.91
Brand New
$237.58
Discover pedals with similar features or sounds to the Riddle. This section leverages data to suggest alternatives that complement or expand your pedalboard. Ideal for exploring related sounds or finding a pedal that matches your specific needs.
Danelectro
Black Coffee
Donner
Tutti Love
Behringer
behringer Vintage Tube Monster
Electro-Harmonix
Cathedral
DOD
FX17 Wah/Volume
Guyatone
PS-103 Driving Box Compressor
Electro-Harmonix
Small Clone
Behringer
UT300 Ultra Tremolo
DigiTech
HardWire TR-7 Tremolo/Rotary
Danelectro
Fish & Chips
Donner
Deluxe Looper
Danelectro
Black Licorice
Damage Control
Solid Metal
Damage Control
Womanizer
BBE
Free Fuzz
BBE
Blacksmith Distortion
Check out the latest news and articles from around the pedal world.