Product Grading System

We only sell top condition retro gaming and we grade every console and accessory very carefully. Our ranking system helps you make the right choice with full transparency.

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S Rank

Our highest rank. Reserved for brand new, factory-sealed products. Extremely limited stock. Collector-grade.

A Rank

For products that are opened yet near-new, showing minimal to no wear. True Mint condition.

B Rank

Complete-in-box (CIB) products in great original shape and condition. No major wear, fully inspected, tested, and certified.

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PC Engine Wireless Infrared Controller PI-PD12 in a collector's game room for retro gaming players and collectors on retroPixl
RetroPixl Mascot Koi Boy

In Focus

The NEC PC Engine Wireless Infrared Controller PI-PD12 is a Japan-exclusive accessory released in the early 1990s as a refined wireless input solution for the PC Engine family. It continues NEC’s experimentation with untethered gameplay using infrared transmission while improving usability over earlier implementations. Collectors value the PI-PD12 as a late-era accessory that illustrates NEC’s forward-looking approach to controller design.

Fun Fact: The PI-PD12 represents a second-generation take on wireless control for the PC Engine, reflecting incremental refinement rather than a complete redesign.

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Tech Specs

Product Details

Model: PI-PD12
Manufacturer: NEC Home Electronics
Release year: 1991
Region: Japan
Variant: Wireless infrared controller with receiver
Edition: Standard Japan retail version

Technical Specs

Input method: Infrared wireless communication
Controller layout: Standard PC Engine two-button configuration
Signal type: Line-of-sight infrared
Power: Battery-powered controller
Receiver connection: Controller port via dedicated receiver unit
Built-in features: Wireless input transmission, external IR receiver
Technical notes: Designed to reduce cable clutter while maintaining responsive input

Compatibility

Region rules: Region-agnostic
Compatible systems: NEC PC Engine family consoles
Media compatibility: Not applicable
Accessory compatibility: Works alongside standard PC Engine peripherals
Expansion support: Compatible with CD-ROM² and Duo systems
Voltage specifics: Receiver draws power from the console

Physical & Usage Information

Dimensions: Approx. 145 × 85 × 30 mm
Weight: ~180 g (controller only)
Materials: Plastic housing
Finish: Dark gray matte plastic
Handling notes: Requires unobstructed line of sight between controller and receiver
Safety and care: Avoid strong ambient light interfering with IR signal
Best-practice usage: Suitable for short-range wireless play in controlled environments

What's in the Box

  • Sword icon for players and collectors of retro gaming on RetroPixl

    Accessory

  • An icon of a retro gaming instruction manual on RetroPixl

    Manual & Inserts

FAQs

Please read our full FAQs page to find out more.

Can I request more pictures of the product I am interested in?

Of course! If you’d like additional photos of a specific console, accessory or collectible, contact us using the form on the right and we’ll be happy to provide more images whenever possible. Our goal is to help you feel completely confident before purchasing a high-value collectible.

What are the S, A, and B grades?

Our grading system is inspired by Japanese standards and keeps things simple:

  • S-gradeBrand new, factory-sealed.
    The rarest finds. Unopened, unused, often available as single units. Top-tier collector pieces.
  • A-gradeMint condition, complete-in-box.
    Opened but preserved exceptionally well, fully inspected and tested, and almost indistinguishable from new.
  • B-gradeComplete-in-box in good condition.
    Light signs of handling, fully functional, carefully evaluated, and ideal for players who want quality without collector-level pricing.

For more information, please visit this page.

Why are S and A grades more expensive?

At RetroPixl, we only curate high-quality retro gaming consoles, accessories, and collectibles that serious collectors seek out, often for years. Our catalog includes brand-new sealed items (S-grade), mint complete-in-box pieces (A-grade), and carefully selected complete-in-box units in excellent condition (B-grade).

Brand new and sealed (S-grade), and mint (A-grade) items command higher prices due to their rarity and condition, especially for Japan-only releases.

B-grade items, while still complete and well preserved, offer a more accessible entry point into collecting or playing.

Every piece is sourced through trusted partners in Japan and vetted for authenticity, condition, and presentation. What you’re paying for is rarity, reliability, and peace of mind, whether you’re collecting at the very top or starting your journey.

Can I track my order?

Yes. Every order shipped from RetroPixl includes full tracking. As soon as your package leaves our warehouse, you’ll receive a tracking link by email so you can follow its journey until delivery.

For mor einformation about Shipping, please visit this page.

The product I want is sold out, when will it be back in stock?

Because our products are rare and sourced in S-grade, A-grade, or B-grade condition, it’s difficult to predict when or if we’ll be able to restock the same item. Some pieces appear only once, and many disappear into private collections for years.

If you’re hunting something specific, you can use our Find It For Me service:

Just tell us what you’re looking for, and we’ll search through our network of trusted partners and collectors across Japan and Asia. If the item exists, we’ll find it, grade it, and ship it to you.

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