
Keeley Octa Psi
Effects pedal – Fuzz
The Keeley Octa Psi Octave Pitch Fuzz combines an analog fuzz with an octave pitch shifter, offering advanced sonic versatility. Featuring multiple modes for both effects and precise control, this pedal allows you to easily explore rich and varied textures.
- ✓ Octave pitch-shifter with 3 modes: Up, Down and Dual
- ✓ Analog fuzz with 3 distinct modes: Scoop, Punch and Psi
- ✓ Eight-position pitch shifter for precise adjustment
- ✓ Order of effects can be changed via a dedicated switch
- ✓ Adjustable ramping time for dynamic control
- ✓ External footswitch input and expression pedal compatible
- ✓ Robust metal casing with 9V to 18V power supply (not included)
Technical data
| Type of effect | Octaver and analog fuzz |
| Pitch-shifter modes | 3 (Up, Down, Dual) |
| Fuzz modes | 3 (Scoop, Punch, Psi) |
| Pitch-shifter positions | 8 |
| Order control effects | Switch Control |
| Ramping Time | Adjustable |
| Entrances | External footswitch, expression pedal |
| Dimensions | 127 x 100 x 68 mm |
| Food | 9V to 18V (power supply not included) |
| Consumption | 150 mA |
| Housing | Metal |
Uses & Benefits
- Allows you to create rich sonic textures through the combination of octave and fuzz
- Flexible control with multiple modes to customize the sound
- Suitable for different musical styles thanks to the adjustable pitch shifter
- Easy to use with a switch to change the order of effects in real time
- Compatible with external footswitch and expression pedal for added control
- Robust construction ensuring good durability under stage conditions
- Wide voltage range power supply for compatibility with various equipment
Original: $341.09
-65%$341.09
$119.38More Images






Keeley Octa Psi
Effects pedal – Fuzz
The Keeley Octa Psi Octave Pitch Fuzz combines an analog fuzz with an octave pitch shifter, offering advanced sonic versatility. Featuring multiple modes for both effects and precise control, this pedal allows you to easily explore rich and varied textures.
- ✓ Octave pitch-shifter with 3 modes: Up, Down and Dual
- ✓ Analog fuzz with 3 distinct modes: Scoop, Punch and Psi
- ✓ Eight-position pitch shifter for precise adjustment
- ✓ Order of effects can be changed via a dedicated switch
- ✓ Adjustable ramping time for dynamic control
- ✓ External footswitch input and expression pedal compatible
- ✓ Robust metal casing with 9V to 18V power supply (not included)
Technical data
| Type of effect | Octaver and analog fuzz |
| Pitch-shifter modes | 3 (Up, Down, Dual) |
| Fuzz modes | 3 (Scoop, Punch, Psi) |
| Pitch-shifter positions | 8 |
| Order control effects | Switch Control |
| Ramping Time | Adjustable |
| Entrances | External footswitch, expression pedal |
| Dimensions | 127 x 100 x 68 mm |
| Food | 9V to 18V (power supply not included) |
| Consumption | 150 mA |
| Housing | Metal |
Uses & Benefits
- Allows you to create rich sonic textures through the combination of octave and fuzz
- Flexible control with multiple modes to customize the sound
- Suitable for different musical styles thanks to the adjustable pitch shifter
- Easy to use with a switch to change the order of effects in real time
- Compatible with external footswitch and expression pedal for added control
- Robust construction ensuring good durability under stage conditions
- Wide voltage range power supply for compatibility with various equipment
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Effects pedal – Fuzz
The Keeley Octa Psi Octave Pitch Fuzz combines an analog fuzz with an octave pitch shifter, offering advanced sonic versatility. Featuring multiple modes for both effects and precise control, this pedal allows you to easily explore rich and varied textures.
- ✓ Octave pitch-shifter with 3 modes: Up, Down and Dual
- ✓ Analog fuzz with 3 distinct modes: Scoop, Punch and Psi
- ✓ Eight-position pitch shifter for precise adjustment
- ✓ Order of effects can be changed via a dedicated switch
- ✓ Adjustable ramping time for dynamic control
- ✓ External footswitch input and expression pedal compatible
- ✓ Robust metal casing with 9V to 18V power supply (not included)
Technical data
| Type of effect | Octaver and analog fuzz |
| Pitch-shifter modes | 3 (Up, Down, Dual) |
| Fuzz modes | 3 (Scoop, Punch, Psi) |
| Pitch-shifter positions | 8 |
| Order control effects | Switch Control |
| Ramping Time | Adjustable |
| Entrances | External footswitch, expression pedal |
| Dimensions | 127 x 100 x 68 mm |
| Food | 9V to 18V (power supply not included) |
| Consumption | 150 mA |
| Housing | Metal |
Uses & Benefits
- Allows you to create rich sonic textures through the combination of octave and fuzz
- Flexible control with multiple modes to customize the sound
- Suitable for different musical styles thanks to the adjustable pitch shifter
- Easy to use with a switch to change the order of effects in real time
- Compatible with external footswitch and expression pedal for added control
- Robust construction ensuring good durability under stage conditions
- Wide voltage range power supply for compatibility with various equipment




















