aguilar/Filter Twin Envelope filter for bass

■Input terminal: 1/4 standard jack x1 ■Output terminal: 1/4 standard jack x1 ■Control: Blend, Threshold, Velocity ↓, Velocity ↑ ■Input impedance: 1MΩ ■Output impedance: Smaller than 1kΩ ■Power supply: 9V ■Option: AC adapter (KORGKA181)