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Ultisone is the importer and dealer for a selected number of audio brands that represent an excellent value and are a major contributor to the most satisfying musical experience.
Entreq is a Swedish brand that specializes in creating an additional earthing to your critical equipment. This extra earthing is created by connecting your equipment to ground boxes using Entreq’s proprietary grounding cables.  Entreq also has solutions to ground signal cables as well as power management solutions inspired by the earthing concept.
Why use Entreq extra earthing solutions ?
You will get an improvement in dynamic’s, a lower noise floor and more natural flow in the sound.
For Entreq, a clean and effective ground point is one of the most important factors in ensuring the best possible sonic platform for any hifi system!
There are a lot of frequencies on the power net. These is caused by the way we connect zero and protective ground together in the main central/fuse boxes. Most things these days run on electricity. Current goes in and current goes out of devices and lighting fixtures of every kind. All of these make the current messy. Not least computers with their switched power units, chargers for e.g. mobile telephones, all the halogen and LED lighting, dimmers etc. all cause a great deal of high-frequency noise and stay voltages. This noise always seeks the easiest path to the earth. And since this can be everything from 50-60 Hz to very high frequency, but weak, currents, it is not always certain that the path of least resistance is via the protective earth.
These currents instead can find dishwashers, laundry machines, counter tops with water pipes, your hifi rack and your stereo set with all the cables and devices as more attractive paths to the earth. Moreover, these stay voltages often generate very large magnetic fields that absolutely influence the sound reproduction.
One big problem is that the protective ground is often overloaded or not properly constructed to handle such pollutions. It can handle a real “bang” of 110-220Volt and X  Watts without any problems, but when it comes to these small currents of some millivolts with very high frequency it doesn’t catch them. So instead these will flow around in the power system searching for a place to ground. Moreover, the protective ground can leak back a lot of pollutions to the power net that instead go to your hifi system with all the cables and magnetic fields and load up and remain there in their search for ground.
Our ground boxes / Eartha cables are designed to resemble and work a bit like Mother Earth in a concentrated form and offer the simplest and fastest route for this high-frequency noise to reach an earth point. Since these are very high-frequency but very weak currents, it is not necessary to have a lot of mass;  but it is important that the cables are optimized for this high frequency noise and the groundbox be a purely attractive earth point. The construction and choice of materials in the earth box has a crucial effect on the result. In part, the minerals and metals involved have an effect, but the relationship of proportion and distance between them also affects the result.
When you connect your system to one of our ground boxes you offer these high frequency stay voltages a ground point where they can find peace instead of flowing around in the system.