ThorpyFX The J
The J is an overdrive pedal that captures the character of a Lazy J J20 amp with its distinctive tweed-style sound. It features dual channels and operates at an internal 18V voltage while accepting standard 9V power.
- 9V DC · center −
- 50 mA
- Analog
- New
- from $391.33
- Used (asking)
- from $359
The rundown
Highlights
- Dual channel design for sound shaping options
- Compact format measuring 101.1 x 124.2 mm
- Transformer-based circuit emulating amp characteristics
- Supply knob allows voltage variation for tonal adjustment
- Guitar World gave it a perfect 5 out of 5 rating
Best for
Guitarists seeking an overdrive pedal with amp-like tone shaping and dual channel flexibility in a compact package.
Professional reviews
What the press rated it. We link to each review; read the full piece for the details.
- Guitar World5 / 5Feb 2026Read the review
Quick facts
- Power
- 9V DC
- Current draw
- 50 mA
- Polarity
- Center negative
- Dimensions
- 101.1 × 124.2 mm
- Status
- In production
Where to buy ThorpyFX The J
$391.33 lowest new price · Reverb
Used listings asking $359–$359, median $359 (1 listing, small sample). Asking prices, not sold prices.
| Seller | Condition | Price | Link |
|---|---|---|---|
| Reverb | Used | $359 | View |
| Reverb | New | $391.33 | View |
| Reverb | New | $399 | View |
| Reverb | New | $399 | View |
| Reverb | New | $399 | View |
| Reverb | New | $399 | View |
| Reverb | New | $399 | View |
| Reverb | New | $399 | View |
| Reverb | New | $399 | View |
| Reverb | New | $399 | View |
Prices last checked 22 hours ago. Links to sellers are affiliate links.
Frequently asked questions
What power does The J require?
The J runs on a 9V DC supply with center-negative polarity and 50 mA current draw.
Can The J run on batteries?
Yes, The J is battery-compatible.
What did Guitar World think of The J?
Guitar World's reviewer rated The J 5 out of 5, praising its compact size, build quality, tweed sound character, dual channels, quiet operation, voltage variation supply knob, and compatibility with drive pedals.
Similar pedals
Same type, similar features.