![BOSS GE-7 EQUALIZER: Hifi Mod Review - The Best EQ Hi-fi Mod by Broken Soundz Upgrades Mods Modified - YouTube BOSS GE-7 EQUALIZER: Hifi Mod Review - The Best EQ Hi-fi Mod by Broken Soundz Upgrades Mods Modified - YouTube](https://i.ytimg.com/vi/-o274dmtGuA/maxresdefault.jpg)
BOSS GE-7 EQUALIZER: Hifi Mod Review - The Best EQ Hi-fi Mod by Broken Soundz Upgrades Mods Modified - YouTube
![Bought a used Boss GE-7 and found this mod inside. Pedal doesn't work with a battery but works fine with a power supply. Any idea what the previous owner tried to do? : Bought a used Boss GE-7 and found this mod inside. Pedal doesn't work with a battery but works fine with a power supply. Any idea what the previous owner tried to do? :](https://preview.redd.it/w0g4mcr6agb31.jpg?width=640&crop=smart&auto=webp&s=0b91289f33a6dd0387ebbe72180ede0695fe2d52)
Bought a used Boss GE-7 and found this mod inside. Pedal doesn't work with a battery but works fine with a power supply. Any idea what the previous owner tried to do? :
![Boss GE-7 - How Bad is the Noise Issue Really? Testing the Noise, and Mod to Drastically Improve It - YouTube Boss GE-7 - How Bad is the Noise Issue Really? Testing the Noise, and Mod to Drastically Improve It - YouTube](https://i.ytimg.com/vi/Vp_l1A_SM2k/mqdefault.jpg)