Filter / Wah (Envelope Filter) · $179
The Keeley Electronics Neutrino Envelope Filter V2 is an analog envelope Filter pedal based on the Opto-coupler analog envelope filter, with Peak, Filter Selector (Hi/Lo/Band-Pass), Range (Hi/Lo), Direction (Up/Down), External Output Volume controls, made in USA. From $179.
| Category | Filter / Wah (Envelope Filter) |
| Circuit / based on | Opto-coupler analog envelope filter |
| Signal | Analog |
| Controls | Peak, Filter Selector (Hi/Lo/Band-Pass), Range (Hi/Lo), Direction (Up/Down), External Output Volume |
| Switches | Filter Selector, Range, Direction |
| Footswitches | 1 |
| Bypass | True-Bypass |
| True bypass | Yes |
| I/O | mono in/out + external output |
| Power | 9V DC |
| Power draw | 25 mA |
| Enclosure | compact |
| Country of manufacture | USA |
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