JOYO JF-33 Analog Delay Guitar Effect Pedal Get that mild and mellow circuit delay. This is a favorably priced way to get those great tones. True bypass design. Delay time range: 25ms-440 ms (millisecond) Features & details Input impedance: 1M Ohms Output impedance: 1K Ohms Running Current: 40mA Power: 6F22 9V Battery / DC 9V adapter