Ertha RCA , XLR, DIN, USB& RJ45, Hook: Standard length 1.65m ( longer lengths are available )

These cables are designed for direct connection to your electronics/computer/music streamer via currently unused RCA , XLR, or USB inputs or outputs. The RJ45 connector can also be employed on your Digital streaming device but is most effective on your source router and/or NAS drive.
The cable is terminated with an Entreq spade at one end (this connects to your carefully chosen level of partnering Entreq ground box) and then to either an Entreq designed RCA , XLR , USB or RJ45 ground connection, at the other end. This then connects to your selected piece of equipment.
A carefully selected Entreq ground box is required to connect to your chosen Entreq Ertha cable.
These Ertha cables are available in the following ranges and are in ascending order of performance:  Copper , Discover, Konstantin , Challenger , Silver , Apollo , Atlantis, and Olympus

Eartha Schuko, US & UK
These cables are designed for connecting to wall socket protective ground and either to a Standalone Tellus/Silver Tellus or on the dedicated input on Olympus Tellus. We don't recommend you mix in other ground cables on the ground box when using Tellus/ Silver Tellus
The cables are terminated with a plug that only connect to the Earth.
​These cables are available as Konstantin, Challenger, Apollo, Atlantis, and Olympus


Ertha Spade to Spade, hook/spade, or Banana/hook: Standard length 1.65m ( longer lengths are available ) These are used to connect to equipment that has additional or specialist ground points, even chassis locations. The most common application is for negative speaker out grounding.

Entreq PowerUs and CleanUs products all have there own dedicated ground connections and as such require an Ertha Spade to Hook to draw excess noise away to your chosen Entreq ground box.

A carefully selected Entreq ground box is required to connect to your chosen Entreq Ertha cable.

These cables are available in the following ranges and are in ascending order of performance: Copper , Discover, Konstantin , Challenger , Silver , Apollo , Atlantis and Olympus


Ertha 3.5 to Spade: Standard length 1.65m ( longer lengths are available )
There is only one application for this particular product and that is to exclusively connect, via a 3.5mm ground connection, to Entreq's dedicated "EEDS noise reduction circuit".

This unique technology is built into almost all of Entreqs Signal cables.
A carefully selected Entreq ground box is required to connect to your chosen Entreq Ertha cable.

These cables are available in the following ranges and are in ascending order of performance:  Copper , Discover, Konstantin , Challenger , Silver , Apollo , Atlantis and Olympus.