![I opened up my Electro Harmonix c9 organ pedal and was curious about the inner workings of the ones I already have. Can anyone tell me what that socket thing is on I opened up my Electro Harmonix c9 organ pedal and was curious about the inner workings of the ones I already have. Can anyone tell me what that socket thing is on](https://preview.redd.it/hrudxpdt5xs41.jpg?auto=webp&s=5e95bde1355631cf1f05d2ddd7779c0d5d89fcfe)
I opened up my Electro Harmonix c9 organ pedal and was curious about the inner workings of the ones I already have. Can anyone tell me what that socket thing is on
![Guitar Pedal X - GPX Blog - Celebrating Electro-Harmonix' 9 Series Guitar Synth Pedals - Full Range Overview Guitar Pedal X - GPX Blog - Celebrating Electro-Harmonix' 9 Series Guitar Synth Pedals - Full Range Overview](https://d6a2e7ghqts3o.cloudfront.net/AcuCustom/Sitename/DAM/532/2022-GPX-EHX-9-Series-700.jpg)
Guitar Pedal X - GPX Blog - Celebrating Electro-Harmonix' 9 Series Guitar Synth Pedals - Full Range Overview
![Electro-Harmonix B9 Organ Machine Pedal. Great Shape! | Murphy's Music | Instruments | Lessons | Melville Electro-Harmonix B9 Organ Machine Pedal. Great Shape! | Murphy's Music | Instruments | Lessons | Melville](https://murphysmusicshop.com/wp-content/uploads/2023/03/s81dbfjppbhmbfdra2bh.jpg)