A FACTORY pedal is a powerful acoustic instruments preamp with high impedance input and XLR balanced output.For your acoustic sound (guitar, violin, mandolin, etc.) Specifications: Power: DC 9V 5.5X2.1mm center negative, 60mA Dimensions: 124mm(D) x 90mm(W) x 54.8mm(H) Weight: 392g Input Impedance: 10M Ohms Output Impedance: 100 Ohms XLR Output Impedance: 100 Ohms 1. Instrument INPUT 2. Power jack 3. To lift the ground connection of the XLR OUT to eliminate Ground noise 4. To amps or other pedals 5. A notch filter with frequency and gain control to fine-tune your tone or eliminate unwanted feedback. Use the NOTCH knob to control the gain, use the N.FREQ knob to adjust the frequency 6. Controls the wet/dry signal ratio 7. Controls the duration of reverb effect 8. Controls the output volume of your acoustic instrument 9.
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