Earthquaker Devices Scrolls Bass Odyssey

The EarthQuaker Devices Scrolls Bass Odyssey is a powerful, all-analog tone shaping tool designed in collaboration with renowned bassist Kentaro Nakao. Built to transform and refine your bass signal, Scrolls allows you to dial in the character of virtually any bass and amp combination—from vintage warmth to modern punch.

At its core, Scrolls combines a dynamic drive section with a fully featured active EQ, giving players precise control over their tone while maintaining a full, articulate low end. Whether you're performing live, recording direct, or sculpting your ideal sound, Scrolls delivers a versatile and responsive platform built for serious bass players.

Highlights

• All-analog bass preamp and drive pedal
• Designed in collaboration with Kentaro Nakao
• Blendable, tube-like drive with preserved low end
• Full active 3-band EQ with variable frequency control
• Built-in effects loop between drive and EQ stages
• Parallel clean output and balanced XLR direct out
• True bypass (Drive) with additional EQ switching
• Made in the USA

Specifications

Controls

• Drive Section

• Level (output volume)
• Drive (gain)
• Blend (clean/drive mix)
• Bandwidth (clipping frequency focus)
• Tone (low-pass filter)

• EQ Section

• Level (output volume)
• Bass / Middle / Treble (active EQ)
• Vari (boost/cut control)
• Vari-Freq (20 Hz – 10 kHz sweepable frequency)
• Deep (80 Hz boost)
• Process (low-mid scoop)
• Bright (5 kHz boost)

Connectivity

• Input: 1/4" instrument input
• Output: 1/4" main output
• Parallel Out: Buffered clean signal output
• Direct Out: Balanced XLR with cabinet-style filtering
• Effects Loop: Between drive and EQ stages
• Ground Lift (XLR)

Electronics

• Signal Path: All-analog
• Switching:
• Drive: Relay-based true bypass
• EQ: Standard on/off switching
• Input Impedance (Drive): 500 kΩ
• Output Impedance (Drive): 100 Ω
• EQ Input Impedance: 10 MΩ
• EQ Output Impedance: <1 kΩ
• Current Draw: 70 mA

Power

• 9V DC center-negative (power supply not included)

Dimensions & Weight

• Size: 4.75" x 4.5" x 2.25"
• Weight: 1.16 lbs

Why Buy From Tone Shop Guitars?

Tone Shop Guitars is committed to bringing you the best gear with real-world expertise behind it. Every pedal we carry is selected with players in mind, and we’re here to help you find the right fit for your rig. Whether you're building a pedalboard or dialing in your signature sound, you can shop with confidence knowing we’ve got your back every step of the way.