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Dunn Effects Death Knob

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Page last updated Feb 14, 2026

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Description

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Designed to blend the “chainsaw” effect of the gyrating EQ into your signal, the Death Knob can be used in series with any OD, fuzz or distortion. Essentially it adds the buzzsaw texture of the HM-2 with both Hi and Lo controls set to max into your existing distortion. Use the blend control to add just a little on top, or turn it all the way up for maximum effect.

Controls:

Blend - wet/dry mix knob

Side-loaded input jacks
Standard 2.1mm 9V DC power jack with negative * center pin
True Bypass
Bright red indicator LED

Product specs

Analog/Digital	analog
Power	9V
Bypass	true bypass

Videos

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HM2 CULT

Dunn Effects | Death Knob HM-2 EQ Blender

HM2 CULT

Death Knob by Dunn Effects - Unique metal guitar tones at the turn of one knob! #bosshm2

Mahmoud Kattan

Dunn Effects Death Knob HM2 EQ Blend

Metalhead Productions

Death Knob HM-2 Blender By Dunn Effects

Dan Gates

Using Dunn effects Death Knob with Origin Revivaltrem, Boss HM2 & Abominable Electronics Demon Lung.

Thomas Jäger

Dunn Effects - Death Knob (HM-2 EQ Blender Pedal) Cell Phone Demo

Dirty Demos

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Owner Insights

We analyzed real musician discussions from forums and Reddit to find what players love, question, and tweak about Dunn Effects Death Knob.

Features and functionality

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The Death Knob offers an EQ blend, allowing users to mix the HM-2 sound on top of their usual tone for a customized effect.
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The Death Knob is designed with an internal setup where the EQ is maxed, allowing the external knob to serve as a clean blend control.
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Comparisons

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The GCI Jugenstil is noted as a similar alternative, also being a Boss HM-2 clone with EQ capabilities, offering both PCB and assembled versions.
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Compared to the Death Saw, the Death Knob requires an already distorted amp to achieve optimal performance, otherwise it functions more like a boosted crunch pedal.
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The TC Electronic Eyemaster, another HM-2 variant, is criticized for its switch quality, impacting its perceived reliability among some users.
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Use cases and applications

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Users seeking to integrate the HM-2 sound subtly into their existing setup find the Death Knob's blending function particularly appealing.
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The Death Saw is noted for its impressive performance when used in front of an Orange Jim Root Terror amp, delivering a powerful sound.
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Value and pricing

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The latest version of the Death Knob is priced at $155, featuring new graphics, reinforcing its boutique status with limited availability.
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User experience

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Some users are concerned about the noise level introduced by the Death Saw when engaged, suggesting it may not be entirely quiet in all setups.
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Artist usage

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Alan Day

Singer, Guitarist

Four Year Strong

Verified via YouTube

In the video "Four Year Strong’s Alan Day - GEAR MASTERS Ep. 547" by Digital Tour Bus, Alan Day demonstrates his live guitar rig and confirms using the Dunn Effects Death Knob for his live amp tones, in conjunction with a Neural DSP Quad Cortex.