The Worm

The Worm by Electro-Harmonix is an all-analog multi-functional modulation effects processor featuring Phaser, Tremolo, Vibrato, and a Neo-modulated Wah. It is housed in a tough and compact die-cast chassis and offers true bypass functionality. The key technical specifications and features include:

- Mode selectable analog modulation effects: wah, phaser, vibrato, tremolo
- Manual mode removes the modulation so the effects can be swept by hand
- Optional expression pedal sweep capability
- 24VDC-100 power supply included
- Circuit: Analog
- Bypass: True Bypass
- Audio: Mono
- Power Supply: 24VDC-100mA power adapter included
- Dimensions: 4.75 x 4 x 2.25 inches
- Current Draw: 50mA
- Year Released: 2008
- UPC: 683274010823

The pedal also features a mode rotary switch to select between the four different types of effects, a range knob to adjust the amount of effect applied to the signal, and a rate knob to adjust the speed of modulation for the effect. Additionally, it includes an auto/manual/exp toggle switch, status LED and footswitch, input jack, expression pedal jack, and output jack.