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  • Special Order

    29 Pedals JFET Transistor Boost FX Pedal

    *This is a Special Order item that we order quickly and directly from our suppliers after your purchase and ship to you within 4-10 days.*

    The humble boost pedal reinvented with the JFET Transistor Boost from 29 Pedals, made from a deep love of FET transistors.

    29 Pedals is a division of Believable Audio in California, and the JFET is a boost pedal that will give you an elevated and enhanced tonal palette with it's 3 circuit modes onboard.  Go from normal, to fatter or flatter, depending where you need the boost to sit in the frequency response, and it can be used anywhere on your board to offer you even more tonal options. 

    The Details
    • Special Order Item
    • Expected to ship within 4-10 days
    • Effect: Boost
    • Made In the USA
    • Born from a deep love of FET transistors
    • Three circuit modes 'N', 'F', and 'X' switching
    • Place anywhere on your board
    • Top mounted jacks
    • Current draw: 150ma
    • Top quality build and parts
    • Internal WHATEVER power supply
    • Power with anything that has a 2.1mm DC jack from 7.5 to 35 volts
    • WHATEVER internal power is self-isolating, but we still recommend to self isolate power if possible
    • Two years manufacturers warranty
    Shipping & Returns


    • Free UK shipping from orders of £200 or more
    • Orders despatched within 1-2 working days
    • Always tracked worldwide shipping
    • Plastic free packaging as standard


    30 day peace of mind return policy, but please read our terms and conditions, returns and refunds policy before placing an order. 

    What Do 29 Pedals Say?

    What can be said about the humble boost pedal? It's an AC wave riding on a DC voltage and I did my very best to elevate it. JFET is rooted in my deep love of FET transistors, and their corresponding place in the hearts of many pieces of gear. FETs are very early solid-state devices that were designed to emulate vacuum tubes as closely as possible, and they have found their way into a sizeable number of classic pieces of gear. As usual for 29 we don't copy or emulate any of those, but start from a ground-up design. The JFET stage is neatly biased for a specific THD ratio, just enough hair to be tube-y but still very clean by most standards. A dual-stage IC output driver shapes the tone and ensures the output impedance stays constant as you turn the level fader. The three modes tailor the low end in a gentle way for fine-tuning of the boost sound with your guitar. Sounds great after EUNA, or as an alternate front-end to your board, makes about 18dB of gain and LOVES to be stacked with FLWR and other drives! Will happily drive cables and draws about 150mA. Still features our WHATEVER internal power supply and the build quality you've come to expect from BELIEVABLE AUDIO.