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Professional Headphones

Beyond Stereo.
Beyond Conventional Surround.

A New Foundation for Sound Reproduction

Endpoint Mixing® introduces a patented layered approach to audio reproduction, creating a wider, deeper, and more immersive listening experience from the music, movies, and games you already enjoy.

Patented internationally · Developed in Germany · Available through S.I.R.

More Than a Sound Enhancer

Endpoint Mixing® is more than an enhancement of stereo sound. It is a patented next-generation audio architecture designed to move beyond the flat, frontal soundstage of conventional playback.

The E201 Sound Enhancer is the first practical consumer gateway into this technology. It transforms ordinary stereo content into a deeper, wider, and more layered listening experience—without requiring a new music format or a complicated installation.

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Experience Sound with Greater Depth

Endpoint Mixing® transforms conventional playback into a wider, deeper, and more immersive listening experience.

Greater Depth

Experience a soundstage that extends beyond a flat frontal plane.

Clearer Separation

Hear voices, instruments, and ambience with greater definition and space.

More Immersive Realism

Feel closer to the atmosphere of a live performance.

From a Flat Soundstage to a Layered
Endpoint Mixing® Experience

Conventional stereo can create a convincing left-to-right soundstage. Endpoint Mixing® adds a new dimension: greater depth, separation, and presence.

Conventional Stereo

  • Primary frontal soundstage

  • Sound concentrated mainly between two speakers

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Endpoint Mixing®

  • Layered spatial presentation

  • Wider, deeper, and more open sound field

Your Gateway to Endpoint Mixing®

The E201 Sound Enhancer brings Endpoint Mixing® into the home. Connect your stereo source, add two speaker layers, and experience a wider, deeper, and more immersive presentation from the content you already enjoy.

1. Connect Your Source

     Use your existing stereo audio source.

2. Add the Layered Speaker Setup

     Connect the front and back speaker pairs.

3. Hear the Difference

     Enjoy a more spatial and realistic listening experience.

Exceptional Price-Performance

Demonstrated in Listening Tests

In an internal listening comparison, an Endpoint Mixing® reference system priced at approximately USD 2,500 delivered nearly 90% of the participant-rated sound quality of a high-end stereo reference system valued at approximately USD 50,000.

The comparison demonstrates the price-performance potential of Endpoint Mixing®. Listening experiences vary depending on the room, speaker setup, source material, and individual preferences.

Approx. USD 2,500

Endpoint Mixing®
reference system

Approx. USD 50,000

High-end stereo
reference system

Nearly 90%

Participant-rated sound quality in the comparison

Customer Testimonials

Olusola Osinoiki, UK

“The sound quality is exceptional - crystal clear and high-quality. With Endpoint Mixing®, missing a live concert or sporting event no longer means missing the experience. It's like being there, regardless of when you tune in. This innovation is truly groundbreaking!”

Use Cases

Image by Providence Doucet

Music

Rediscover depth and detail in familiar recordings.

Vintage Film Projector

Movies

Bring greater realism and atomsphere into home entertainment.

Concert Stage Lights

Live Performances

Feel closer to the ambience and presence of the original event.

White Gaming Controller

Gaming

Experience a more immersive spatial presentation.

Enhance Audio Quality with the Revolutionary EM® Sound Enhancer

Elevating your audio experience

Are you looking to unlock the true potential of your audio and experience high-quality sound but feel constrained by traditional stereo sound walls? The German company Siremix has made a groundbreaking advancement in audio processing: our internationally patented sound processing technology—Endpoint Mixing® —could be the answer you're seeking. 

 

After years of dedicated development and innovation, Siremix proudly introduces the revolutionary E201, a product designed to make audiophile-grade Hi-Fi sound accessible to everyone at an affordable price. The goal is to bring perfect reproduction of high-fidelity sound to all.

With 20 global patents, Endpoint Mixing® (EM) delivers solutions 20 times more cost-effective than traditional audio systems. This means you can enjoy audiophile-quality sound at 95% less price! An exceptional price-performance ratio. This patented technology breaks all barriers, offering incredible benefits to anyone who truly values superior audio experiences.

The development journey of EM began with a simple question: How can sound quality be enhanced to surpass the limitations of stereo? Recognizing the inherent constraints of traditional stereo setups, EM introduced a layered sound architecture that breaks through the "sound wall" effect created by stereo. By generating an expansive soundscape, it allows listeners to transcend physical limitations, as if they were immersed in the original audio environment. By enhancing spatial audio principles, EM achieves the original depth and clarity of sound, delivering a multi-dimensional audio experience that redefines the boundaries of audio realism.

At the Studio

Endpoint Mixing®: Unheard Audio Realism

Experience Unparalleled Immersion and Clarity in Your Home Entertainment

Endpoint Mixing® (EM) is a groundbreaking sound processor that converts stereo sources into EM line sources, delivering 4-5 times better sound quality than similarly priced systems. It's aimed at general consumers seeking improved home theater, gaming, and music experiences, offering unparalleled realism and ease of use.

Endpoint Mixing® is a revolutionary approach to audio enhancement that creates multiple layers of sound sources, resulting in wider, deeper, and superior sound quality. It provides an unparalleled sound experience that makes you feel like you are there. In addition, Endpoint Mixing® is compatible with amplifiers from different brands, which can comprehensively enhance your sound experience, ensuring the product is value for money and easy to use.

Realistic VR 3D sound effects and audiophile-grade sound quality: We have invented innovative sound processing technology that significantly improves the realism of 3D sound when you play VR games, making you feel like you are in the game, fully satisfying the audio-visual requirements of gamers. This patented sound processing technology, Endpoint Mixing®, brings you the sound quality of high-end audiophile speakers at a fraction of the price!

Change the way you hear everything: New sound processing technology transforms ordinary sounds into extraordinary experiences, making you feel like you are in a different world at any time, experiencing your favorite places and moments in a way you never thought of, bringing auditory shock. Get ready for a sound experience like never before, where every note and sound will transport you to a new level.

Test reports reveal that an EM sound system priced at just 2,500 USD can match the sound quality of a 50,000 USD stereo system. Moreover, EM offers a unique experience, creating the sensation of being at a live concert or sporting event. Numerous customer testimonials praise the system, including an international DJ and recording studio owner who remarked, "It produces exceptional sound!"

For further details, please visit our landing page: Endpoint Mixing® Sound Enhancer.

For an in-depth discussion on Endpoint Mixing® technology geared towards audio engineering enthusiasts, delve into this article: Conversation with Albert Einstein on Endpoint Mixing® Sound Tech - Episode 1.

Endpoint Mixing® Licensee: S.I.R. Ltd

Synapse Intelligent Robotics (S.I.R.) Ltd is the exclusive licensee of Endpoint Mixing® technology. SIREMIX GmbH remains the full owner of all Endpoint Mixing® intellectual property, while S.I.R. Ltd holds the exclusive legal rights to manufacture, commercialize, use, and distribute the technology. In this role, S.I.R. Ltd acts as a key commercial arm driving the market deployment of Endpoint Mixing®.

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©2026 by SIREMIX GmbH. All Rights Reserved. Siremix is a German limited liability company. Berlin reg. no. HRB 175935B. Synapse Intelligent Robotics (S.I.R.) Ltd is a limited company registered in Hong Kong SAR, China. Endpoint Mixing® is a brand, patent, and registered trademark of Siremix GmbH. US Pat. 9986364, 10993059. European Pat. 3142383. China Pat. 201580021969, 2017800381147. Japan Pat. 6285574, 3227174. Legal Notices.

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