In the world of home cinema and audiophile playback, few components offer as much accessible performance potential as the Sony UBP-X700 4K Ultra HD Blu-ray player. A favorite among enthusiasts for its solid disc handling, HDR support, and reliable playback, the UBP-X700 has long been a benchmark in its price range. Now, French high-end media specialist R_volution has introduced an innovative upgrade path that takes this popular player to an entirely new level: the R_volution Chassis DIY-X700.
Transforming a Solid Performer into a True Machine
The core upgrade centers on replacing the stock switched-mode power supply with a sophisticated linear power supply design. At the heart of the kit lies a massive toroidal transformer, paired with carefully selected audiophile-grade electronic components. This shift delivers cleaner, more stable power to the player’s critical circuits, resulting in noticeably improved picture quality sharper details, better contrast, and more natural colors alongside superior digital audio performance, with lower noise floors, enhanced dynamics, and greater overall refinement. For discerning listeners and viewers who demand reference-level results from their 4K Blu-ray playback, this upgrade bridges the gap between consumer-grade convenience and dedicated high-end hardware.
A Straightforward DIY Installation Process
One of the standout features of the R_volution Chassis DIY-X700 is its user-friendly approach. No advanced technical skills or soldering are required. The process is remarkably simple:
- Open the original Sony UBP-X700 unit.
- Carefully remove the mainboard and optical drive.
- Install these components into the beautifully crafted new chassis provided in the kit.
- Connect the included high-quality ribbons and cables.
Every step is supported by comprehensive documentation, including a detailed printed manual and an accompanying installation video. Most users can complete the transformation in just a few minutes, turning what was once a modest player into a premium, high-performance component without stress or complications.
Why This Upgrade Matters for Serious Enthusiasts
The Sony UBP-X700 already excels at delivering 4K Ultra HD Blu-ray content with support for HDR formats and high-resolution audio. However, its original power supply design typical of mass-market players can introduce subtle noise and limitations that affect both video fidelity and audio purity.
By integrating a linear PSU with premium parts like a large toroidal transformer and high-grade capacitors and regulators, the DIY-X700 kit addresses these constraints head-on. The result is a player that punches well above its original weight class, making it an attractive option for custom home theater builds, dedicated listening rooms, or anyone seeking maximum performance from physical media without investing in a far more expensive dedicated transport.
Final Thoughts
The R_volution Chassis DIY-X700 represents a clever, accessible way to achieve high-end results from an already capable platform. With its elegant chassis, robust power supply engineering, and foolproof installation, it appeals to both DIY enthusiasts and those who simply want the best possible playback from their disc collection.
















