The One Control BJFE in Your Hand Series Dyna Red Distortion 4K is a handmade distortion pedal built in Japan. It is part of One Control's BJFE in Your Hand series, which the maker describes as the only line approved by Björn Jühl, a pioneer of boutique pedal design, and it uses One Control's proprietary aluminum-machined housing1.
One Control lists the Dyna Red Distortion 4K at a regular price of $279.99 USD1. The pedal is part of the BJFE in Your Hand Series, which One Control describes as "the only line approved by Björn Jühl himself, a pioneer of boutique pedal design"1.
The Dyna Red Distortion 4K is listed as sold out on One Control's product page as of late October 2026. No battery is included, so the pedal needs an external 5 to 15V center negative supply.
The BJFE in Your Hand series
The BJFE in Your Hand series is a line of handmade pedals designed in collaboration with One Control, and One Control states it is the only series approved by Björn Jühl himself12. The series includes several drive pedals, among them the Shades Of Green O.D. DLX, a drive pedal reconstructed under Bjorn Juhl's direct supervision and approval, and the Honey Bee OD 4K, an overdrive that One Control says captures the character of the original BJFE model32.
All of the series pedals listed are handmade in Japan. The Shades Of Green O.D. DLX is handwired in Japan using One Control's original aluminum housing and high-quality audio components3, and the Honey Bee OD 4K is likewise handmade in Japan2.
The controls
The Dyna Red Distortion 4K has four knobs: Drive, Volume, Treble and Presence. One Control describes the Drive knob as offering a spectrum of distortion intensity and sustain, "responding with touch sensitivity at lower settings and compression-rich stability at higher ones"1.
| Control | What it does (per One Control) |
|---|---|
| D (Drive) | Controls distortion intensity and sustain, from subtle to powerful compression for a richly textured tone1 |
| V (Volume) | Adjusts overall output level, ideal for balancing the pedal with your amp1 |
| T (Treble) | Adjusts high frequencies, for fine-tuning tonal brightness1 |
| P (Presence) | Fine-tunes the higher frequency range even beyond Treble, for control over the final sound's clarity and definition1 |
Treble and Presence
The two upper-frequency knobs do different jobs. One Control says the TREBLE and PRESENCE knobs together "give fine control over upper frequencies, allowing you to add brightness without harshness and perfectly balance the tonal presence"1. In practice, Treble is the broader brightness control, while Presence reaches into an even higher range than Treble and shapes the clarity and definition of the finished sound1.
This two-knob approach to the top end is a feature of this pedal within the series. The Shades Of Green O.D. DLX instead places its 2K, 4K and Treble controls after the distortion section, with the 4K control shaping treble near 4 kHz, to allow precise matching with different amplifiers3. The Honey Bee OD 4K takes a simpler route, with a single Treble knob for the top end plus a Bass knob for low-end adjustment2.
Power and specifications
The pedal runs on 5 to 15V DC from a center negative supply and draws only 3.5mA, a low current draw that puts minimal demand on a pedalboard power supply1. No battery is included1. Its input impedance is 370k and its output impedance is 25K1.
For comparison within the series, the Honey Bee OD 4K draws 3mA2 and the Shades Of Green O.D. DLX draws 7.5 mA3, so all three are light on power.
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Questions
Does the Dyna Red Distortion 4K take a battery?
No. One Control lists the pedal's battery as not included, and the pedal is designed to run from an external power supply. You will need a 5 to 15V DC center negative supply to power it.
What voltage does the Dyna Red Distortion 4K use?
The pedal accepts 5 to 15V DC from a center negative supply, and it draws only 3.5mA, which is low enough that it places very little demand on a shared pedalboard power supply.
Where is the One Control Dyna Red Distortion 4K made?
It is handmade in Japan. One Control describes the BJFE in Your Hand series as handmade pedals built with what it calls unmatched craftsmanship and artistry in Japan, using its own aluminum-machined housing.
What is the difference between the Treble and Presence knobs?
Treble adjusts the high frequencies and is described by One Control as perfect for fine-tuning tonal brightness. Presence works above that, fine-tuning an even higher frequency range beyond Treble, for control over the final sound's clarity and definition.
Is the Dyna Red Distortion 4K still available?
As of late October 2026, One Control's product page lists the Dyna Red Distortion 4K as sold out. The page shows two prices, a regular price of $279.99 and another listed price of $349.99, so the current list price is unclear.
Sources (3)
- BJFE in your hand series Dyna Red Distortion 4K (OC-BIYH-DRD4K), One Control USA
- BJFE in your hand series Honey Bee OD 4K (OC-BIYH-HBOD4K), One Control USA
- BJFE in your hand series Shades Of Green O.D. DLX (OC-BIYH-SOGODDLX), One Control USA
