The Beetronics Fatbee Overdrive "Rosa Shock" is a Custom Series overdrive pedal built around a JFET drive circuit, fully original and designed in collaboration with pedal designer Howard Davis. Beetronics describes it as "A Jfet drive like no other, breaks up sweet and smooth like a tubee amp," and says the Fatbee "can be used to warm up, sting or buzz any instrument you want!"1 It is the first pedal in the company's Babee Series, and it sits among the brand's other overdrives such as the Beetronics Overhive and the Wannabee Beelateral Buzz. For more on the effect type, see Overdrive Pedals.
The Fatbee "Rosa Shock" was listed as sold out on Beetronics' product page as of 25 October 2026.1
Sound and circuit
The Fatbee is a JFET overdrive, a design approach that uses JFET transistors to produce breakup similar to a tube amp's natural clipping. Beetronics' own description is that it "breaks up sweet and smooth like a tubee amp," with the range to "warm up, sting or buzz" an instrument.1 The circuit is fully original and was designed in collaboration with Howard Davis.1
Power and practical details
The pedal requires a 9VDC, center negative power supply and draws 36mA. Beetronics notes that a power supply is not included with the pedal.1
| Specification | Value |
|---|---|
| Power | 9VDC, center negative (not included) |
| Current draw | 36mA |
| Dimensions | 4 1/2" x 2 1/4" x 2 1/4" |
| Pedal size (including knobs, switches, etc.) | 5.5" x 3.5" x 2.75" |
| Pedal weight | 0.5 lbs / 0.25 kilos |
| Package size | 6.75" x 5.25" x 3.25" |
| Package weight | 0.75 lbs / 0.5 kilos |
Source: Beetronics product page.1
Price and availability
The Fatbee "Rosa Shock" carried a regular price of £192.00 GBP on Beetronics' product page, where it was listed as sold out.1
Returns
Beetronics offers a 30-Day Hive Happiness Guarantee, with shipping not included. Returns require an RMA, with a refund within 5 business days of return; a 15% restocking fee or store credit may apply if the item is worn or missing accessories, returns must be made within 7 days of the RMA, and Scratch and Dent items are not refundable.1
Sources (1)
- FATBEE Overdrive "Rosa Shock" Custom Series, Beetronics






