HDSX TV Sound Optimizer HDMI ARC – used like new

Sale price119,00 € Regular price149,00 €
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See for yourself

30 days return policy – ​​no need to give reasons!

Clearly understandable dialogues

The actors are clearly understandable, the film music is balanced in the background

Uniform volume

Whether between film and commercial break, the volume remains pleasantly balanced

Shared television experience

Enjoy every TV experience together, regardless of hearing ability.

Relaxed TV volume

without waking the children or disturbing the neighbors


All used HDSX TV Sound Optimizers undergo a general technical overhaul. These devices have already been used and returned, then checked and overhauled by us.

In several clearly defined work steps, our experts check used goods in detail and prepare them for sale.

This is done according to our strict quality guidelines. Among other things, the aesthetic appearance and technical condition of the device are carefully checked and renewed if necessary. At the end of the process, it works exactly like a new one.

Every device is guaranteed to be 100% functional after reconditioning. It is thoroughly cleaned before being packed in a new box including all accessories and cables.

And the best part: By purchasing a used item, you are helping to do something for our environment. Thank you for that!

Satisfaction promise

We offer a 30-day return policy and a 24-month guarantee. If you have any questions about installation or other concerns, our personal service is available: free service line in Germany 0800 767 68 74 and from abroad +49 40 75691726 or by email to info@hdsx.com .

HDMI ARC vs. Toslink – Which model is right for you?

In this video we show you how the HDSX TV Sound Optimizer revolutionizes TV sound. Find out how you can enjoy uncompressed sound quality with our device and experience clear dialogues without volume fluctuations. Whether HDMI ARC or Toslink - we explain the differences and help you make the right choice.

Technical data

Unparalleled sound clarity with the HDSX TV Sound Optimizer!


Metal, stone grey

Power supply

DC 5V via Micro USB-B connector

Audio input digital


Audio input analog

3.5mm jack stereo

Audio output


scope of delivery

Complete accessories for unique sound!


HDSX TV Sound Optimizer HDMI ARC


USB 2.0, USB-A plug to Micro-USB-B plug (50cm) | HDMI 2.0 cable (50 cm) HDSX certified | 3.5mm stereo jack cable (50 cm)

Velcro straps

Self-adhesive Velcro strips for attaching the device behind the TV

Stand feet

4 rubber feet, self-adhesive for standing

operation manual

operation manual


Here you will find answers to the most important questions about our product. If you need more information, please visit our comprehensive FAQ page.