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 SOtM iSO-CAT7 Isolation Transformer 


The SOtM iSO-CAT7 is a product that improves the performance of the iSO-CAT6, which was used as a necessity for all audio systems that use LAN ports.


Although the iSO-CAT6 may seem like a small and simple accessory, it has received good reviews from many users for its definite effect. One of users praised it as “the best audio accessory I have ever used in my life”.


The iSO-CAT7 is a further improved LAN isolating filter that easily surpasses the performance of the iSO-CAT6 and has been developed after numerous tests to realize the sound performance required for Ultra high-end audio. Through this test process, specially selected parts to shape and refine the audio were chosen and each of the four Ethernet signal lines embedded in the Ethernet cable are separated and shielded to reduce interference between each signal line as much as possible to lead to a definite improvement in sound quality.


If you listen to music using the iSO-CAT7 in your system, connecting it to the network player which, is the most important part in the network audio system, you will be able to understand what it means to refine digital sound closer to analog sound. This is not just simple improvements in specific parts of the music, but clear changes in sound that causes the illusion of reconstructing sound of the entirety of the music or listening to another recording of the same music.


 The moment you add the iSO-CAT7 to your system and feel the higher level of sound, it won’t be easy to stop playing music with its novelty.


Key Features:

  • Supports 10/100/1000Base-T, 10GBase-T
  • LAN signal filter
  • LAN signal isolator



 The iSO-CAT7 LIMITED Special Edition (in red) is limited to 100pcs. 

 It includes an iSO-CAT7 filter block AND a 30cm dCBL-CAT7u,

the dCBL-CAT7u doesn’t have the filter block on the cable.

Same price as the regular grey version.


>>>>>>> SPECIAL EDITION VERSION (+£350): <<<<<<<

Upgrade to the SPECIAL EDITION version—which comes includes an iSO-CAT7 filter block and 3 X 50cm dCBL-CAT7u LAN cables, each characterising different sounds. These cables do not have the filter block.


Supplied LAN cables for iSO-CAT7 Special Edition 

  Black cable: It brings the highest resolution and dynamic sound among the 3 LAN cables.

  Grey cable: It brings sound character in between the black and dark grey cables.

  Dark grey cable: It brings a mild and comfortable sound.

SOtM iSO-CAT7 Isolation Transformer

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