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Collection: Rondo Products

Rondo Products delivers reliable and high-quality solutions for gaming enthusiasts, offering an extensive range of power supplies, power adapters, memory backup carts, and cartridge adapters. Designed to enhance gaming experiences, these products ensure seamless play with consistent power delivery and expanded storage capabilities, tailored for various gaming systems.

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Atari Jaguar (2 products)
Neo-Geo (1 product)
NES (Nintendo Entertainment System) (2 products)
Nintendo Virtual Boy (2 products)
SNES (Super Nintendo) (4 products)
Nintendo 64 (1 product)
Nintendo Gamecube (2 products)
Sega Master System (5 products)
Sega Genesis (9 products)
Sega Game Gear (1 product)
Sega Nomad (2 products)
Sega CD (5 products)
Sega 32x (4 products)
TurboGrafx-16 (3 products)
PC Engine (2 products)
TurboDuo (1 product)

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Cartridge Adapters (3 products)
Development and Testing (2 products)
Input Cards (2 products)
Power Supplies (17 products)
Video Adapters (4 products)
Video Converters (3 products)
Video Switchers (2 products)

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Out of stock (7 products)

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Atari Jaguar (2 products)
Neo-Geo (1 products)
NES (Nintendo Entertainment System) (2 products)
Nintendo Virtual Boy (2 products)
SNES (Super Nintendo) (4 products)
Nintendo 64 (1 products)
Nintendo Gamecube (2 products)
Sega Master System (5 products)
Sega Genesis (9 products)
Sega Game Gear (1 products)
Sega Nomad (2 products)
Sega CD (5 products)
Sega 32x (4 products)
TurboGrafx-16 (3 products)
PC Engine (2 products)
TurboDuo (1 products)

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Cartridge Adapters (3 products)
Development and Testing (2 products)
Input Cards (2 products)
Power Supplies (17 products)
Video Adapters (4 products)
Video Converters (3 products)
Video Switchers (2 products)

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35 products

Rondo Products Time Sleuth Display Lag Tester

Rondo Products Time Sleuth Display Lag Tester

Regular price $134.99 USD

Sale price $134.99 USD
Unit price per
RGBench multi-input analog video analysis test bench by Qwertymodo

RGBench multi-input analog video analysis test bench by Qwertymodo

Regular price $79.00 USD

Sale price $79.00 USD
Unit price per
Rondo Products db GrafxBooster TTP

Rondo Products db GrafxBooster TTP

Regular price From $79.99 USD

Sale price From $79.99 USD
Unit price per
Rondo Products SCART Cleaner

Sale

Rondo Products SCART Cleaner

Regular price $39.99 USD

Regular price ~~$49.99 USD~~ Sale price $39.99 USD
Unit price per

Sale
Rondo Products Replacement AV board for the Omega

Rondo Products Replacement AV board for the Omega

Regular price $68.00 USD

Sale price $68.00 USD
Unit price per
Rondo Products Multi-Con

Rondo Products Multi-Con

Regular price $6.99 USD

Sale price $6.99 USD
Unit price per
Rondo Products Multi-Con II

Rondo Products Multi-Con II

Regular price $6.99 USD

Sale price $6.99 USD
Unit price per
Rondo Products SNES-CON

Rondo Products SNES-CON

Regular price $6.99 USD

Sale price $6.99 USD
Unit price per
Rondo Products SNES-CON (PAL)

Rondo Products SNES-CON (PAL)

Regular price $6.99 USD

Sale price $6.99 USD
Unit price per
Rondo Products DUO-Con

Rondo Products DUO-Con

Regular price $6.99 USD

Sale price $6.99 USD
Unit price per
Rondo Products Tower-Con

Rondo Products Tower-Con

Regular price $6.99 USD

Sale price $6.99 USD
Unit price per
BKM 68X alternative input board

Sale

BKM 68X alternative input board

Regular price $299.00 USD

Regular price ~~$325.00 USD~~ Sale price $299.00 USD
Unit price per

Sale
BKM 129X alternative input board

Sold out

BKM 129X alternative input board

Regular price $115.00 USD

Sale price $115.00 USD
Unit price per

Sold out
gRetro Stuff Power Supply

Sold out

gRetro Stuff Power Supply

Regular price $14.99 USD

Sale price $14.99 USD
Unit price per

Sold out
Virtual Tap - Embedded video-out board for the Nintendo VirtualBoy

Sold out

Virtual Tap - Embedded video-out board for the Nintendo VirtualBoy

Regular price $79.99 USD

Sale price $79.99 USD
Unit price per

Sold out
Virtual Tap - Servo Kit

Sold out

Virtual Tap - Servo Kit

Regular price $29.99 USD

Sale price $29.99 USD
Unit price per

Sold out

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Welcome to the Castle!

Founded by lifelong gamers and collectors, it is our mission is to help you bring your favorite retro consoles out of the closet and attic (don't keep your games in the attic) and deliver modern quality of life improvements where we can.

Unlike generic marketplaces and mega-retailers, CastleMania is proudly boutique. Every product is hand-picked. Every order matters. And every customer is part of a growing community of gamers who know that authenticity, performance, and a little passion goes a long way.

We’re also trusted by the brands that make the best products in the business. CastleMania Games is an authorized retailer for HD Retrovision, EON, Retro-Bit, Retro-Time Hyperkin and more. Our catalog is packed with solutions you can count on, and our support team is made up of real people who speak your language: scanlines, RGB mods, and CRT vs HDMI debates included.

(844) 994-2637
support@castlemaniagames.com
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