Detail 01
Three clipping modes
Select between OpAmp, Asymmetrical, and Symmetrical clipping.
Product detailSKU #1500000485986
EarthQuaker DevicesSunn O))) HalfLife Octave Distortion and Booster Pedal - Red
aggressivehigh outputwarmmetalrockhard rock
1/7
Independent shopping perspective
The Korena take
HalfLife combines analog octave, distortion, and an independent boost in a fixed octave-to-distortion-to-boost path. Its three clipping selections and five control knobs let you set the distorted voice, filter it, blend the octave, and adjust level. The octave-distortion and boost sections have separate footswitches, so they can be brought in independently during a passage. Flexi-Switch operation supports either a latched effect state or a momentary hold, with expression control available for octave blend.
Strong match
Who this is for
- Live passages where octave distortion and boost need separate footswitch control.
- Single-note playing above the twelfth fret with the analog octave circuit.
- Pedalboard setups needing momentary or latching effect activation.
Consider the trade-offs
When to look elsewhere
- Players needing an octave effect designed for chords, since the octave circuit is monophonic.
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
Independent boost
The boost has its own footswitch and follows the octave and distortion stages.
Detail 03
Expression input
An expression pedal can control the octave blend.
Detail 04
True bypass with Flexi-Switch
Each footswitch can be used in latching or momentary operation.
Final check
Know before you order
- 01Power is specified as 9 V DC center-negative.
- 02The expression connection is a 1/4-inch input.
- 03The main instrument input and output are each 1/4 inch.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Can the boost be used independently?
Yes. The boost is independently footswitchable.
02What is the signal order?
The signal path is octave, then distortion, then boost.
03What does the expression input control?
It provides real-time control of the octave blend.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
1 detailsSound
- Effect Types
- Analog octave, distortion, boost
4 detailsPickups & controls
- Right Footswitch
- Octave distortion activator
- Left Footswitch
- Boost activator
- Footswitches
- 2
- Control Knobs
- Octave, Filter, Distortion, Magnitude, Amplitude
2 detailsBody & build
- Color
- Red
- Country of Origin
- USA
4 detailsConnections & power
- Outputs
- 1 x 1/4 inch
- Inputs
- 1 x 1/4 inch instrument input
- Expression Input
- 1 x 1/4 inch
- Power Supply
- 9V DC center-negative
4 detailsSize & weight
- Height
- 2.25 inch
- Weight
- 0.74
- Depth
- 2.75 inch
- Width
- 5 inch
1 detailsIn the box
- Clipping Modes
- OpAmp, Asymmetrical, Symmetrical
11 detailsOther
- Signal Path
- Octave > Distortion > Boost
- Current Draw
- 15 mA
- Bypass Type
- True bypass with Flexi-Switch technology
- Distortion Gain
- Up to +60 dB
- Model
- HalfLife Octave Distortion and Booster
- Latching Operation
- Yes
- Artist Signature
- Sunn O)))
- Octave Type
- Analog full-wave rectifier
- Product Type
- Octave distortion and boost pedal
- Momentary Operation
- Yes
- Boost
- Independent footswitchable boost
