The kickbox works with all aftermarket piezo sensor based kick triggers like the Roland KD8.  It also works with the guitar heros foot pedal.

KickBox Facts:

• Simply plug and play.  Works with all rockband rb1, rb2, ion hardware for ps3, xbox360 , wii, ps2 systems.
• Optically isolated output interface. No voltage present to harm or void rockband equipment or warranty.
• Sensitivity trim to adjust to your playing style,  great for heavy hitters.
• RB Pedal input for getting into song category view.  This input can also be used for playing with a rb pedal.  Upgrade to a kick trigger at your leisure.
• 8mm clear blue led staus light.
• Made in USA.