Ultimarc
I-PAC2
Best interface for DIY arcade cabinet builders and retro gaming enthusiasts.
Elevate your arcade experience with the Ultimarc I-PAC2, a versatile interface board designed to connect your arcade controls to any USB-equipped host system. Perfect for MAME emulators and custom control panels, it offers 32 programmable inputs, ensuring every button and joystick press is registered accurately. Enjoy seamless integration and responsive gameplay thanks to its dedicated pins per input and multi-mode functionality. Programming is retained even after power loss, and installation is simplified with robust screw connectors.
$39.00
Owner Satisfaction
4.7
/ 5
Category Rank
1
/ 33
Best Video Game Arcade Cabinet Accessories
Price vs Category Average
-48%
Below average
Who it's for
- Multi-platform users needing seamless, driver-free hardware integration
- Cabinet builders aiming for clean, minimalist control panel designs
- Competitive gamers demanding lag-free, reliable arcade input performance
Who should skip it
- Modern PC gamers requiring native XInput controller compatibility
- Novice builders intimidated by software-based key configuration utilities
- Budget-focused hobbyists seeking the most affordable basic encoder options
Performance breakdown
Input Responsiveness
Dedicated pins ensure zero perceptible lag during high-intensity arcade gameplay.
Installation Simplicity
Robust screw connectors make wiring your control panel straightforward and secure.
System Compatibility
Seamlessly bridges classic arcade controls with modern USB-equipped host systems.
Customization Depth
Extensive programmable inputs and shift functions allow for highly tailored layouts.
Hardware Versatility
Expansion ports easily accommodate trackballs and spinners for complete cabinet builds.
Configuration Retention
Onboard memory keeps your custom settings intact after every power cycle.
Key Specs
32 Inputs total
Connection Type
USB
Supports Keyboard/mouse, dual gamepad/mouse, dual Xinput modes
Inputs referenced to ground
Chunky 5mm screw connectors for wiring
Includes trackball and spinner connector/PAC-Link expansion
No separate power source required
Accessory Component Type
Encoder Board
Features
- Connects arcade controls to USB systems
- 32 programmable inputs for full control
- Multi-mode operation for flexibility
- Shift key function for custom layouts
- Dedicated pins prevent input lag
- Expansion for trackball and spinner
- Retains programming after power off
- Easy wiring with screw connectors
What customers say
Customers consistently hail the Ultimarc I-PAC2 as the premier arcade control encoder due to its rock-solid reliability and virtually zero latency, essential for competitive retro gaming. It is viewed as a premium, necessary component for serious cabinet builders. Users value the true plug-and-play recognition by operating systems and emulation software after wiring. The robust design and quality terminals promise excellent durability for heavy use. Advanced features like shift functions are highly appreciated for maximizing control layouts. While initial wiring requires effort, the overall consensus confirms the I-PAC2 is a sound, long-term investment that significantly elevates the authentic arcade experience, fully justifying its cost through unparalleled stability and performance.
Know before you buy
No, the I-PAC2 is a plug-and-play device. It is recognized by your computer as a standard USB keyboard, so it works immediately with any operating system without needing custom drivers.
Yes, the board features multi-mode operation. You can switch between keyboard/mouse mode, dual gamepad/mouse mode, or dual Xinput mode to ensure compatibility with a wide range of modern and retro titles.
Yes, the I-PAC2 features onboard memory that retains your custom programming even after the power is disconnected, so you won't need to reconfigure your controls every time you turn the system on.
Yes, the board includes dedicated expansion connectors for trackballs and spinners, allowing you to integrate these peripherals directly into your control panel setup alongside your buttons and joysticks.
The I-PAC2 uses 5mm screw connectors, which allow you to secure your wiring firmly without the need for soldering. Simply strip the wire, insert it into the terminal, and tighten the screw for a reliable connection.
No, the board uses dedicated pins for every input, which ensures that each button press is registered instantly. This design avoids the ghosting or lag issues often found in matrix-style encoder boards.
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