Sony UBP-X700K

The Sony UBP-X700/K marks a strategic turning point in the world of 4K Blu-ray players. While the market appears to be shifting massively toward streaming, Sony is taking the opposite approach by launching a device refocused on the essentials: high-quality physical media playback. Available since March 2025, this new model stands out for its purist approach, doing away with connected features to focus on audiovisual excellence.

Back to basics

The UBP-X700/K represents an interesting evolution in the Sony range. Contrary to the current trend of multiplying connected features, this player deliberately removes the Wi-Fi and all streaming applications found on its predecessor, the UBP-X700. This bold decision is intended to satisfy discerning film enthusiasts and audiophiles who prioritize the playback quality of physical media over versatility.

Exceptional picture quality

The UBP-X700/K excels in its primary mission: delivering flawless picture quality. It supports HDR10 and Dolby Vision formats, ensuring deep contrast and vibrant colours. HDR10 technology can achieve brightness up to 100 times higher than standard (SDR) signals, resulting in impressive brightness peaks while preserving deep, detailed blacks.

The player also provides 4K upscaling up to 60p, considerably improving the visual quality of lower-resolution content. Each object is optimized and refined in real time for sharper, more detailed images. This feature is especially valuable for getting the most out of the latest high-resolution TVs.

Audio performance to match

On the sound side, the UBP-X700/K does not disappoint. It supports the most demanding high-resolution audio formats, including Dolby Atmos and DTS:X, delivering a captivating three-dimensional sound experience. The player is also compatible with a wide range of audio formats, from AAC and PCM through to DSD 11.2 MHz.

For audiophiles, the presence of two HDMI outputs is a major advantage. This configuration makes it possible to separate audio and video signals, ensuring optimal sound quality without interference. The player also features a coaxial digital audio output for greater flexibility when configuring your home cinema system.

Playback versatility

Despite its purist focus, the UBP-X700/K remains a remarkably versatile player in terms of supported formats. It plays not only Ultra HD Blu-ray discs, but also DVDs, CDs, and even SACDs (Super Audio CDs). This extensive compatibility makes it an ideal device for collectors with a varied library of physical media.

The player also supports a multitude of file formats via USB or a home network, including the most common video formats as well as high-resolution audio formats such as FLAC and DSD. This flexibility allows users to enjoy their digital collections with the same quality as physical media.

Comparison with the previous model

Compared with the original Sony UBP-X700, the new K model stands out mainly through the absence of Wi-Fi and connected features. While the UBP-X700 offered access to streaming services such as Netflix or the use of Spotify Connect, the UBP-X700/K focuses exclusively on playing physical media and files via USB or wired network.

This fundamental difference comes with a more robust build and more premium positioning, justifying a launch price slightly higher than that of its predecessor. For users who prioritize quality over versatility, this trade-off could prove worthwhile.

Technical Specifications

Playback Formats

• Blu-Ray
  • Ultra HD BD (DL/TL)
  • BD-ROM (SL/DL)
  • BD-R/RE (BDAV/BDMV)
• DVD
  • DVD-Video
  • DVD-RW/-R (Video, VR)
  • DVD-R (DL)
  • DVD-R
• CD
  • SA-CD/CD
  • CD (CD-DA)
  • CD-R/RW
• Playback via BD, DVD, CD, USB
• Photo: JPEG, GIF, PNG, MPO MPF 3D, BMP, WEBP
• Video: Xvid, WMV9, AVCHD, MPEG-1, MPEG-2, MPEG-4 AVC, VC1, Motion JPEG, HEVC, VP9, VP8, VP6
• Music: MP3, AAC, HEAAC, WMA9 Standard, LPCM, FLAC, DSD, AIFF, ALAC, Dolby Digital, WMA10 Pro, Vorbis, Monkey’s Audio

Video

• Native 4K: Yes
• 4K Upscale: 60p (disc / USB / net / Sony RoomLink)
• HDR > SDR Converter
• Compressed Video Enhancement: IP Content Noise Reduction
• Color Enhancement: x.v.Ycc, Deep Color (12 bit)
• BD Support
  • HD 24Hz
  • HD 24Hz to 60Hz and 50Hz
  • HD (60Hz)
  • SD (60Hz)
  • HD (50Hz)
  • SD (50Hz)
• DVD Support: 60Hz / 50Hz, DVD 24p output

Audio

• Dolby Atmos / Dolby True HD (7.1Ch)
• DTS:X / DTS (7.1Ch)
• LPCM: 2ch / 6ch / 8ch
• Via HDMI: DTS HD Master Audio, Dolby True HD, LPCM (2ch, 6ch, 8ch), DSD, DSD to LPCM (2.8M / 5.6M / 11.2)

Features

• Dual Core
• Bonus View (Profile 1.1)
• BD-Live (Profile 2.0)
• AV Sync / Bravia Sync
• Precision Drive HD
• TV Sideview
• 24p Cinema Mode
• Quick Setup and Parental Control
• Auto Standby
• Available Languages: English, French, Spanish, German, Italian, Dutch, Portuguese, Danish, Finnish, Swedish, Norwegian, Russian, Polish, Greek

Connectivity

• HDMI Output: 2
• Coaxial Digital Audio Output: 1
• Ethernet Port: 1
• Front USB Port: 1

General Information

• Color: Black
• Power Supply: 220/240V
• Frequency: 50/60Hz
• Power Consumption (On): 15W
• Power Consumption (Standby): 0.35W
• Net Dimensions (W x H x D in mm): 320 x 45 x 217
• Net Weight: 2.1 kg