Feature: 1. OCTA precise polyphonic octave generator pedal provides super-fast tracking and dynamic octave harmony, make your 6-string guitar sounds like 12-string. 2. Create a monster sound by 3 separate control knobs for DRY sound(controls the output volume of the DRY signal at the OUTPUT jack), SUB octave(controls the output volume of the SUB octave signal) and UP octave(controls the output volume of the octave UP signal). 3. Analog dry through signal retains every nuance of your guitar signal at the INPUT jack, As the DRY knob is turned clockwise, the volume of the DRY signal at the effect OUT Jack increases. 4. High-quality and silent true bypass footswitch design, provides you with maximum signal path integrity; and LED indicator light for convenient operation. 5. Full metal shell, durable and sturdy, for long time and reliable usage. 6. 3 separate control knobs:Create a monster sound by 3 separate control knobs for DRY sound(controls the output volume of the DRY signal at the OUTPUT jack), SUB octave(controls the output volume of the SUB octave signal) and UP octave(controls the output volume of the octave UP signal). 7. Master signature pedal:Analog dry through signal retains every nuance of your guitar signal at the INPUT jack, As the DRY knob is turned clockwise, the volume of the DRY signal at the effect OUT Jack increases. 8. LED indicator light:High-quality and silent true bypass footswitch design, provides you with maximum signal path integrity; and LED indicator light for convenient operation. 9. PACKAGE CONTENTS:1 * Effect Pedal. 1 * User Manual(English).POWER ADAPTER NOT INCLUDED. Specification: OCTA is the new member of effect pedal family, it provides impeccable tracking and sound. With 3 separate control knobs for dry, sub octave and octave up, making your 6-string guitar sounds like 12-string. High-quality and silent true bypass footswitch design, provides you with maximum signal path integrity. Features: OCTA precise polyphonic octave generator pedal provides super-fast tracking and dynamic octave harmony, make your 6-string guitar sounds like 12-string. Create a monster sound by 3 separate control knobs for DRY sound(controls the output volume of the DRY signal at the OUTPUT jack), SUB octave(controls the output volume of the SUB octave signal) and UP octave(controls the output volume of the octave UP signal). Analog dry through signal retains every nuance of your guitar signal at the INPUT jack, As the DRY knob is turned clockwise, the volume of the DRY signal at the effect OUT Jack increases. High-quality and silent true bypass footswitch design, provides you with maximum signal path integrity; and LED indicator light for convenient operation. Full metal shell, durable and sturdy, for long time and reliable usage. Control Konbs: --UP Knob Controls the output volume of the OCTAVE UP signal. The OCTAVE UP signal is one octave above the input signal, or twice the frequency. The volume of the OCTAVE UP signal increases as this knob is rotated clockwise. --SUB Knob Controls the output volume of the SUB OCTAVE signal. The SUB OCTAVE signal is one octave below the input signal, or half the frequency. As this knob is rotated clockwise, the volume of the SUB OCTAVE signal increases. --DRY Knob Controls the output volume of the DRY signal at the OUTPUT jack. The DRY signal is the signal present at the INPUT jack. As this knob is turned clockwise, the volume of the DRY signal at the effect OUT Jack increases. Specifications: Material: Metal Signal Input: 1/4″Monaural Jack (impedance: 2.2 Meg Ohms) Signal Output: 1/4″Monaural Jack (impedance: 560 Ohms) Power Supply: DC 9V adapter (positive outside and negative inside)(not included) Working Current: 150mA Item Size: 6.5 * 11.5 * 4cm / 2.6 * 4.5 * 1.6in Item Weight: 265g / 9.3oz Package Size: 12 * 9 * 7cm / 4.7 * 3.5 * 2.8in Package Weight: 330g / 11.6oz Note: The power adapter is not included. Please use the power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly. Package List: 1 * Effect Pedal 1 * User Manual(English) Package List: 1 * Effect Pedal 1 * User Manual(English)