Frislev Sound System, Concentus Two, is built into the CANIS shelf. Play great sound from your smartphone, TV, or other device. The sound from the TV is automatically reproduced via HDMI ARC to the sound system. CONCENTUS TWO is developed with new technology and can function in multi-room setups with Google Home and Apple Home. Concentus Two plays music and movies like a true high-end hi-fi system. Are you tired of dull sound? - then try a Sound System from Frislev.

Frislev Canis - Concentus Two - Sound System


C2 can be delivered in Canis and Libra.

A complete stereo setup just for streaming sound from TV and a phone.

Frislev Libra - Concentus Two - Sound System


The LIBRA with a width of 206cm provides the perfect stereo experience.



Connect a record player. Play your LP records with great sound.


Minimalist design.


Remote control for Concentus Two. Typically used only with AUX input. If you have connected a record player or other devices, it is possible to adjust the volume. The remote control is an additional accessory that can be ordered in the shop.



The amplifiers in CONCENTUS TWO provide a total of 200 Watts. (4 x 50 watts).

Each speaker unit has its very own amplifier without the use of a conventional passive crossover.

The system has been developed with electronic dividing filters and DSP (Digital Signal Processing).

2 x 8" Longstroke woofers. 2 x STCN26 tweeters. Pressure chamber.

Dimensions: H494 x W234 x D270mm

Automatic firmware update.

Frislev - Udmåling af de indbyggede højttalere


When the robot performs measurements of 4000 points on the shelf over a period of two days, it suggests a thorough and comprehensive analysis of the shelf's condition and properties. These points can represent various parameters such as temperature, humidity, load, or other measurements of the shelf's physical or environmental conditions. This extensive amount of data provides an in-depth insight into the shelf's performance and enables precise adjustments to improve its functionality.

After collecting this data, the process proceeds to tuning the speaker. Tuning the speaker is a critical part of optimizing the sound quality and performance of the speaker system in the shelf. This tuning process can be divided into two main phases:

Electronic tuning: This step involves fine-tuning electronic parameters in the speaker system. It may include adjusting equalizer settings, amplifier parameters, or other electronic components to achieve the desired sound quality and balance. This electronic tuning ensures that the speaker system delivers the optimal sound experience in accordance with the measured data from the robot's observations of the shelf.

Listening tuning: In addition to the technical adjustments, the tuning process also involves a subjective assessment of sound quality through listening. Listening tuning involves experienced sound technicians or audio engineers carefully listening to the speaker system and making adjustments based on their sense of sound clarity, balance, and spatial characteristics. This step ensures that the sound meets the desired requirements and creates a pleasant listening experience for users.

Together, these two phases of the tuning process constitute a comprehensive approach to refining the sound quality and performance of the speaker system in the shelf. By combining both objective data from the robot's measurements and subjective assessments from sound technicians, it ensures that the speaker system operates at its highest level and delivers a superior sound experience for users.