PRIMUS

Big sound with a slim design: 2-way audio system with 5.25″ subwoofer, DAB+ and WiFi radio with Bluetooth® and integrated streaming services.

Free shipping

Test 30 days

2 years warranty

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At a glance: what the PRIMUS offers you

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Sensational sound experience

Experience excellent acoustics thanks to the 2-way audio system with 5.25 inch subwoofer.
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Digital radio DAB+

Wide variety of channels in the best digital quality.
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High-quality WiFi system

Integrate the music system into your home WiFi network.
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Integrated streaming services

Stream your music quickly and easily via integrated services such as Spotify Connect, Amazon Music and Deezer.
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Music from all over the world

Access over 25,000 national and international Internet radio stations and podcasts.
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Bidirectional Bluetooth

Stream in brilliant quality from your mobile devices or listen to your music via Bluetooth headphones.
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Wide range of connection options

AUX-in, optical input for connection to the TV, USB port with charging function only.
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Design to fall in love

Hand-sanded wooden housing with high-quality lacquer finish and front and control knobs made of solid metal.
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German engineering

Get the highest sound quality, uncomplicated operation and timeless design in your living room.

The smart all-rounder

Reduced design meets dynamic sound: PRIMUS is a prestigious eye-catcher in the living room and yet blends harmoniously into any interior style. Despite the wide variety of connections, functions and music sources, it always remains uncomplicated and easy to operate - not least thanks to the practical direct selection buttons. For music lovers who love powerful sound, elegant home design, modern technology and simple operation, the PRIMUS is the designer audio system of choice.
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Uncomplicated technology


A wide range of connection options and the large selection of music sources make PRIMUS a true jack-of-all-trades in your living room. Simple setup, practical direct selection buttons and a headphone output on the front, operation via smartphone, remote control or OKTIV app* as well as a variety of preset equalizers allow you to operate the PRIMUS quickly. Listen to music via Internet radio, DAB+ digital radio, Bluetooth from your tablet and smartphone. Access over 25,000 national and international Internet radio stations and podcasts and stream directly to the PRIMUS via integrated streaming services.
*Note: the older versions of the PRIMUS (SO-3400-100-) can only be controlled with the UNDOK app.

Great sound and great choice


The PRIMUS audio system shines with lively sound and powerful bass. Thanks to the 2.1 speaker system with integrated 5.25-inch high-performance subwoofer, the PRIMUS not only impresses with quiet tones, but also offers space for big sound. PRIMUS uses both analogue (e.g. wooden body or flow-optimized bass reflex tube) and digital (e.g. digital sound processor) sound technology and creates a sensational sound experience with the best of both worlds. Perfect for rooms up to 25 square meters.
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Representative design


The PRIMUS audio system not only impresses with its sound quality, but also with its minimalist design. Typical sonoro. The all-metal front and control knobs, the high-quality, lacquer-finished wooden housing and the automatically dimmable display exude quality. With its slim dimensions and minimalist design, PRIMUS fits in with many furnishing styles and looks good anywhere. Quality that you can not only hear, but also see.

What our customers say

You can rely on the numerous reviews from our satisfied customers.

Free delivery

Standard round & return shipping free of charge

0% financing with Paypal

Flexible installment

30 days return

Conveniently test music system for 30 days