The Ultimarc I-PAC 4 is the ultimate USB keyboard encoder for arcade cabinet builders, MAME enthusiasts, and control panel projects. This professional-grade interface board connects up to 32 arcade controls (joysticks, buttons, trackballs) to any PC via USB, converting them into keyboard inputs for seamless gameplay.

Key Features & Specifications

• 32 dedicated inputs with 5mm screw terminal connections - no matrix scanning
• USB powered - no external power supply required
• Fully programmable key assignments stored in non-volatile memory
• Self-test LED for instant wiring verification
• Interrupt-driven software for lightning-fast response times
• Built-in shift functions eliminate need for extra cabinet buttons
• Ground-referenced inputs simplify wiring - single ground per button
• Dimensions: Compatible with standard control panel mounting

Perfect Compatibility

Designed specifically for MAME cabinets, Arcade1Up modifications, and custom arcade builds. Works flawlessly with Windows, Mac, and Linux systems. The I-PAC 4's dedicated input architecture eliminates ghosting issues common with cheaper matrix-based controllers.

Why Choose the I-PAC 4?

• Professional arcade-grade reliability and performance
• Easy installation with clearly marked screw terminals
• Unlimited configuration profiles via Ultimarc software
• Essential for fighting games requiring simultaneous inputs
• Trusted by arcade builders worldwide for over two decades

Transform your arcade project with the industry-standard I-PAC 4 interface - the choice of serious builders who demand professional results.