PE Foam for Keychron K4
Made from irradiation cross-linked polyethylene (IXPE). Used to modify the sound of switch key presses.
Sits between the PCB and switches
PE design includes cutouts for switch contacts to help with switch installation
All the keyboards we support, we own. Our products have been designed and tested on the keyboards they will be used with to ensure perfect fitment
Really makes the sound pop with minimal effort for the mod, easy S tier
Boba U4T spring swapped to Thic Thock 67g extended springs, Tribosys 3203 bottom housing, spring, stem housing, Keyboard Kustom PE foam, with ~2 layer gaffer tape mod
Gives spacebar a marbley sound, makes tactile switches feel amazing on the bottom out, gives stablizer keys nice thocc, and generally improves all the single key sounds. For such an easy add-in you can't go wrong with this.