GCHD MK-II GameCube HDMI Adapter
GCHD MK-II GameCube HDMI Adapter - Indigo / New is backordered and will ship as soon as it is back in stock.
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The EON GCHD MK-II is a premium HDMI adapter for the Nintendo GameCube, designed for plug-and-play performance without any internal modification. Built by EON Gaming, the GCHD MK-II delivers a zero-lag digital video and audio experience from the original DOL-001 model GameCube.
With dual video outputs and multiple audio options (including MiniTOSLINK and 3.5mm), it supports HDMI up to 480p and 576p, along with unique features like custom color profiles and firmware updates via USB-C. Simply plug it into the digital AV port on your GameCube, and you’re ready to game on any modern display.
Key Features:
- Zero-lag HDMI output (480p/576p support)
- Dual output: HDMI + Component
- MiniTOSLINK and 3.5mm audio out (headphones or digital)
- No mods or tools required – just plug and play
- Compatible with DOL-001 model GameCube only
Bitjump Games is an official EON Gaming partner. All units are authentic and brand new in sealed retail packaging.
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🎖️ The Bitjump Pre-Owned Guarantee
- Authenticity you can trust – We only sell 100% genuine games and gear
- Cleaned and Ready – Each item is inspected, cleaned,a and ready to play.
- Warranty and Refund - 90-day warranty on all pre-owned consoles, games, and accessories for an exchange of the same item or store credit within 90 days of the purchase date. For repairs, or upgraded and refurbished consoles, we offer a 365-day parts and labor warranty within 365 days of the purchase/service date. Any product may be returned for a refund of the purchase price, not including shipping. For in-store purchases: within 7 days of the purchase date. For Online orders: within 14 days of the purchase date. If new items have been opened, a 15% restocking fee may be applied. Exclusions apply.
Read more about our Warranty and Refund Policy

Play GameCube Classics Like Never Before with the GCHD MK-II
The GCHD MK-II by EON Gaming transforms your GameCube* into a modern gaming powerhouse with crisp 480p visuals and enhanced audio. Enjoy lag-free gameplay and dual output options, perfect for retro gaming enthusiasts and streamers alike.

Key Features and Specs
- High-Quality Video Output: Achieve the highest native resolution of 480p progressive scan for supported titles, ensuring sharp and vibrant visuals on any HDTV.
- Dual Video Output Ports: Equipped with both HDMI and Wii Component/SCART ports, the GCHD MK-II supports YPbPr and RGB signals, allowing simultaneous connections to modern TVs and CRTs—ideal for streaming and local multiplayer setups.
- Enhanced Audio Options: Includes a 3.5mm auxiliary port that doubles as a MiniTOSLINK port, supporting both analog and digital optical audio outputs for a customizable audio experience.
- Custom Firmware with On-Screen Menu: Utilizes custom EON GCVideo firmware, offering features like boosted digital audio, support for non-standard resolutions, visual tweaks, and customization options such as scanlines. Access and adjust settings easily using any universal IR remote.
- Lag-Free Gaming Experience: Engineered to eliminate input lag, ensuring that controller inputs register instantly for seamless gameplay.
- Premium Build Quality: Constructed with top-quality components, including redesigned plugs made from ballistic nylon for maximum durability and gold-plated pins for optimal connectivity.
- Universal Compatibility: Compatible with NTSC, NTSC-J, and PAL GameCube consoles (model DOL-001) featuring the digital AV port.
GCHD MK-II Available in Four Colors
EON GCHD MK-II Frequently Asked Questions
Which GameCube models work with the GCHD MK-II?
Which GameCube models work with the GCHD MK-II?
Only the DOL-001 model (with the digital AV port) is compatible. You can check the bottom of your GameCube to find the model number.
Does the GCHD MK-II require a mod?
Does the GCHD MK-II require a mod?
No. The GCHD MK-II is 100% plug-and-play. No soldering, modding, or opening your console required.
Does the GCHD Require an External Power Source?
Does the GCHD Require an External Power Source?
No. The GCHD draws power from the power it needs from the GameCube, so it doesn't need external power like some other adapters.
What video resolutions does it support?
What video resolutions does it support?
It supports 480p and 576p through HDMI and analog video simultaneously.
What is the difference between MK-I and MK-II?
What is the difference between MK-I and MK-II?
The MK-II adds analog video support and improved audio output options. The MK-I only offers HDMI out.

Why Choose EON Gaming?
EON Gaming is dedicated to developing high-quality, user-friendly solutions for retro gaming enthusiasts, ensuring that classic consoles can be enjoyed on modern equipment without compromising performance or authenticity.
The GCHD MK-II is the result of a collaboration between EON Gaming and acclaimed retro gaming modder Dan Kunz (a.k.a. Citrus3000psi), reflecting a commitment to quality and performance.
3rd-Party Reviews
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Nintendo Life
"..Not only does the GCHD Mk-II offer the best image quality imaginable – yes, even better than via the now-elusive Component cable – you get totally lag-free output; all of the GameCube HDMI adapters based on this open source tech are notable for not adding any latency, period."
- Darren McFerran
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Eurogamer
"The bottom line is this - if you're still using a GameCube, products like the GCHD Mk2 offer an excellent, high quality solution for running the classic Nintendo console on a modern display with end-to-end digital quality."
- John Linneman
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hackinformer.com
"It is a must purchase if you own a DOL-001 model Gamecube. It just is."
- V1RACY

Order Your GCHD MK-II GameCube HDMI Adapter Today!
Whether you're a retro gaming enthusiast or a newcomer, the GCHD MK-II offers a seamless connection between your GameCube and modern displays, preserving the authenticity of classic games while enhancing their presentation.