Detail 01
Drive before EQ with effects loop between stages
External effects in the loop come after drive and before the pedal’s final EQ.
Product detailSKU #1500000482585
EarthQuaker DevicesScrolls Bass Odyssey EQ and Overdrive Pedal - Black
1/7
Independent shopping perspective
The Korena take
Scrolls Bass Odyssey combines analog overdrive, active EQ, routing, and direct-output tools in one bass-focused pedal. Its drive stage comes first, with clean-blend and bandwidth controls to set how distortion is mixed and where clipping is emphasized. The effects loop follows the drive, then feeds the final EQ section, so connected effects still receive bass, middle, treble, and variable-frequency shaping. A buffered clean parallel output and balanced XLR direct out support split amp, DI, and recording paths.
Strong match
Who this is for
- Placing modulation or delay after drive while applying final EQ to the complete signal.
- Sending a buffered clean signal to a tuner, DI, amp, or separate pedal chain.
- Running a balanced XLR direct path with analog speaker cabinet-style filtering.
Consider the trade-offs
When to look elsewhere
- Setups that cannot provide a 9V DC center-negative power supply.
- Players seeking a pedal with the EQ stage before its drive section.
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
Blend and Bandwidth controls
Blend mixes clean and overdriven signal; Bandwidth shifts the frequency focus of clipping.
Detail 03
Variable frequency: approximately 20Hz–10kHz
Targets a selectable area of the bass signal for EQ adjustment.
Detail 04
Deep, Process, Bright buttons
Deep adds 80Hz, Process scoops low mids, and Bright adds 5kHz.
Detail 05
Buffered parallel output
Provides an always-active clean signal alongside the main path.
Detail 06
Balanced XLR direct out
Offers a direct-output connection with analog speaker cabinet-style filtering.
Final check
Know before you order
- 01A 9V DC center-negative supply is required and is not included.
- 02The drive stage precedes the EQ; the effects loop is between them.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Can I blend my clean bass with the overdrive?
Yes. The drive section includes a Blend control for mixing clean and overdriven signal.
02Where is the effects loop in the signal path?
It is placed after drive and before the EQ section.
03What does the parallel output send?
It sends a buffered, always-active clean signal.
04Does the direct output use XLR?
Yes. Scrolls has a balanced XLR direct output with analog speaker cabinet-style filtering.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
3 detailsSound
- Effects Loop
- Yes
- Variable Frequency Range
- Approximately 20Hz–10kHz
- Direct Out Impedance
- 100 ohm
5 detailsPickups & controls
- Switching
- Relay-based true bypass on drive side, standard on/off switching on EQ side
- EQ Controls
- Level, vari, vari-freq, treble, bass, middle
- Push Button Controls
- Deep, process, bright
- Drive Controls
- Level, blend, drive, bandwidth, tone
- Footswitches
- Drive, EQ
2 detailsBody & build
- Color
- Black
- Country of Origin
- United States
11 detailsConnections & power
- Parallel Output Impedance
- 100 ohm
- Output
- 1/4 inch
- Direct Output Filtering
- Analog speaker cabinet-style filtering
- Parallel Output
- Buffered clean signal
- EQ Output Impedance
- Less than 1 kOhm
- Drive Output Impedance
- 100 ohm
- Analog or Digital
- Analog
- Drive Input Impedance
- 500 kOhm
- Parallel Input Impedance
- 10 MOhm
- Power Requirement
- 9V DC center-negative power supply
- EQ Input Impedance
- 10 MOhm
4 detailsSize & weight
- Height
- 2.25 inch
- Weight
- 1.16
- Depth
- 4.75 inch
- Width
- 4.5 inch
1 detailsIn the box
- Power Supply Included
- ✕ Not included
11 detailsOther
- Drive Section
- Before EQ
- Barrel Size
- 2.1 mm
- Parallel Out
- Buffered
- Current Draw
- 70 mA
- Ground Lift
- Yes
- Model
- Scrolls Bass Odyssey
- Bright Boost
- 5kHz
- Artist Collaboration
- Kentaro Nakao
- Direct Out
- Balanced XLR
- Deep Boost
- 80Hz
- Product Type
- Bass EQ and overdrive pedal
