Sprout Modulation – Versatile Modulation for Creative Soundscapes

The Klowra Sprout Modulation is a stereo multi-effects pedal offering nine studio-grade modulation effects — from lush chorus and phaser to vintage rotary, ring mod, tremolo and more. With tap tempo, Ramp morphing, and Analog Dry-Through, it gives you expressive control while preserving clarity. Perfect for guitarists and sound designers looking for flexible, musical modulation.

Highlights

• 9 high-quality modulation effects: Chorus, Flanger, Phaser, Tremolo, Vibrato, Rotary, Ring Modulator etc. 
• Ramp function for smooth, evolving modulation transitions (Bloom Infinity Series) 
• Tap tempo — modulation speed syncs with your groove 
• Analog Dry-Through preserves your clean signal while blending the effect 
• Stereo input/output with flexible routing — ideal for live board or studio use 
• Switchable True or Buffered Bypass — for maximum tonal flexibility and signal integrity
• 24-bit audio & 32-bit floating-point DSP processing
• USB-C for easy firmware updates

Technical Specifications

• Pedal Type: Digital multi-modulation effects pedal
• Effect: Modulation
• Inputs: 2 × 1/4″ TS instrument
• Outputs: 2 × 1/4″ TS instrument
• Input Impedance: 500 kΩ
• Output Impedance: 100 Ω
• External Control: TS/TRS momentary footswitch or TRS expression pedal
• Bypass Mode: Switchable true bypass or buffered bypass (analog dry-through)
• Power Source: 9 V DC power supply required (not included)
• Current Draw: 250 mA
• Audio Conversion: 24-bit / 44.1 kHz
• Interface: USB-C
• Dimensions: 54.7 × 124.8 × 69.2 mm (H × D × W)