Feature: 1. Echo effect pedal with 3 echo modes: digital echo, analog echo and QuadTap echo; QuadTap echo imitates the echoes between the truly changeable valley shapes. 2. To adjust the sense of space and the sense of presence by scattering; power saving, the current is only 50mA. 3. With control knobs to adjust echo tone, dry \u0026 wet signal ratio of sound and echo, delay time and feedback. 4. True bypass footswitch for switching between echo effect and bypass status. 5. Aluminum alloy shell, compact and solid design, durable and portable. 6. Appearance: Shell of this effect pedal is made of aluminum alloy, compact and solid design, durable and portable. 7. 3 Echo Modes: Echo effect pedal with digital echo, analog echo and QuadTap echo 3 echo modes; QuadTap echo imitates the echoes between the truly changeable valley shapes. True bypass footswitch for switching between echo effect and bypass status. 8. Control Knobs: This effect pedal with control knobs to adjust echo tone, dry \u0026 wet signal ratio of sound and echo, delay time and feedback. 9. Power Saving: To adjust the sense of space and the sense of presence by scattering; power saving, the current is only 50mA. Power adapter and battery are not included. 10. Note: Please use the power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly. Specification: Features: Echo effect pedal with 3 echo modes: digital echo, analog echo and QuadTap echo; QuadTap echo imitates the echoes between the truly changeable valley shapes. To adjust the sense of space and the sense of presence by scattering; power saving, the current is only 50mA. With control knobs to adjust echo tone, dry & wet signal ratio of sound and echo, delay time and feedback. True bypass footswitch for switching between echo effect and bypass status. Aluminum alloy shell, compact and solid design, durable and portable. Specifications: Working voltage: DC9V Chip inner voltage: 1.8V Chip outer voltage: 3.3V ADC SNR: 90dB DAC SNR: 100dB Power Supply: DC 9V power adapter or 9V battery(both are not included) Item Size: 6.5 * 12.3 * 3.3cm / 2.6 * 4.8 * 1.3in Item Weight: 285g / 10.1oz Package Size: 14.5 * 9 * 6cm / 5.7 * 3.5 * 2.4in Package Weight: 400g / 14.1oz Note: Power adapter and battery are 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 * Battery Cable Package List: 1 * Effect Pedal 1 * Battery Cable