The Blackheart circuit board is a full-featured tournament level, upgrade board. It gives you complete operational control and a wider range of adjustment for ION, Impulse, Shocker or Nerve markers.

Features:
Fire Rate (Adjustable)
Trigger Debounce (Adjustable)
Kick-In Rate for Advanced Modes (Adjustable)
Sustain Rate for Advanced Modes (Adjustable)
Shots Fired to Enter Advanced Mode (Adjustable)
First Shot Drop Software (Adjustable)
PSP Legal Mode (Adjustable)
NXL Legal Mode (Adjustable)
Millennium Legal Mode (Adjustable)
Three Shot Burst
Low Battery Indicator
More User-Friendly Software
Additional ION/SP-8 features:
                                                                        New Speaker for Easier Adjustments and On/Off Activation
                                                                        Non-Battery Draining Design
                                                                        Nickel Plated Solenoid Components
                                                                        New Higher Max Rate of Fire Software (20 shots/sec)