The OG 18 volt mod harness with 9 volt 18 volt switching.

The classic mod for those who want to experiment with increased voltage.


Solderless!
Easy and reversible plug and play installation.

Purchase with or without our insulated 9 volt batteries.


Switch requires 1/8" mounting hole.


Please ensure your guitar/bass cavity can accommodate multiple batteries.

Don't have the space for 9 Volt batteries? 
Check out the 24 Volt Mod™