Orca packs four quintessential GFI System’s reverb algorithms into a compact pedal that is straightforward and easy to use. Intuitive user interface coupled with an LCD screen makes it a breeze to navigate through Orca r’s vast sonic pallete and features.Orca packs four quintessential GFI System’s reverb algorithms into a compact pedal that is straightforward and easy to use. Intuitive user interface coupled with an LCD screen makes it a breeze to navigate through Orca r’s vast sonic pallete and features. Specifications: Input impedance : 1 MOhm. Output impedance : 1K Ohm. DAC / ADC resolution : 24 bits. Current consumption : ~110 mA. Weight : 0.6 Kg (1.6 lbs). Dimension : 12 (L) x 7.2 (W) x 5.5 (H) cm Power source : 9VDC (negative center) - not supplied.