Features:Chorus effect pedal with remarkable algorithm for highly accurate recreate of analog BBD circuit and the associated pulsating driver circuitry.Ultra low noise, high performance 96kHz/ 24bit A/D and D/A converters; 100dB typical dynamic range.Zero latency analog routing for super audio performance; 30bit floating point processing with high performance DSP core.Supports buffered or true bypass selection to get the best performance requirement.The chorus sound of the RIVULET is just like the river sound, crystal and clear; and you could change the sound core through the micro USB port.Control Knobs:RATE-- adjusts the sweep rate;WIDTH-- adjusts the sweep range;INTENSITY-- controls the overall amount of effect.Specifications:Material: metalInput: 1/4" mono jackOutput: 1/4" mono jackPower Supply: DC 9V center negative power adapter(not included)Item Size: 9.5 * 4.2 * 3.5cm / 3.7 * 1.7 * 1.4inItem Weight: 177g / 6.2ozPackage Size: 11.7 * 6.6 * 6.6cm / 4.6 * 2.6 * 2.6inPackage Weight: 260g / 9.2ozNote:Power adapter is not included.Please use the DC 9V power adapter whose polarity is positive pole outside and negative pole inside. Otherwise, the product may not work properly.Sound core upgrade website: //www.nuxefx.com/show-70-1-1.htmlPackage List:1 * Effect Pedal1 * Users' Manual(English & Chinese)