Connect the speakers with signal cables from pre-out on your amplifier or surround receiver and enjoy the significantly upgraded audio from the active speakers. The cable connection can be either balanced or unbalanced.

Stereo Hub is a wireless receiver where you connect everything from turntable, TV, CD, computer, etc.
You stream wirelessly from your smartphone or tablet to Stereo Hub's built-in Chromecast, Airplay, Bluetooth or Spotify Connect.
Stereo Hub connects wirelessly to SA legend silverback speakers.
Stereo Hub and a pair of SA legend silverback speakers are a complete wireless music system without loudspeaker cables.

Every SA legend silverback speaker is prepared to be included in a wireless home theater with 24-bit uncompressed audio in up to 7.1 channels.
In a wireless home theater, use a 7.1 WiSA hub such as Axiim Link.

At System Audio we love music. Our speakers are created by music lovers and some of the world's leading technology experts. Our brand is recognized for the musical and engaging sound of our speakers.
System Audio has received more than 150 awards for sound, design and innovation and we have manufactured and designed loudspeakers since 1984.
We are located in Roskilde. The music city of Denmark.

The speaker units are designed specifically for SA legend silverback. The woofers are built with great mechanical precision and they are able to move 40% more air than ordinary woofers.
They have extremely lightweight membranes to make the sound open and rich with nuances.
The tweeter's patented acoustic DXT lens covers the living room with sound and you experience great sound wherever you are.

Experience deeper bass than ever before from a speaker of this size. The built-in adaptive bass system extends the speaker's frequency response down to 20 Hz and makes the sound image much bigger than ordinary passive speakers.

There are 2 to 4 amplifiers built into each speaker. They have a total output of up to 560 watts depending of the model. The advantage is that the sound becomes more dynamic when each drive unit is connected to only one amplifier.

The amplifiers in SA legend silverback are 100% digital. They are not Class D. They are so-called Power-DACs. It means that they are fully digital and even without a built-in DAC. The digital-to-analog conversion happens in the process of the amplifier. You don’t need a DAC in this system. The incredible speed of the amplifiers give the sound a great clarity and musicality. The digital amplifiers use less power and save on the planet's resources compared to traditional technology.

Operates with great precision and without loss. A passive crossover removes energy from the music, and offers very few options for optimizing the sound. A digital crossover like this optimizes the sound, with no negative effect to the sound quality.

Digital signal processing ensures that the speaker's sound is evenly distributed in your living room. This means that you experience an accurate sound image with clear location of each individual instrument.

Connect a cable from pre-out on your amplifier to the analog input on the Silverback module and experience an upgraded sound with deeper bass, more dynamics, musicality and clarity.

Every SA legend silverback has a built-in wireless WiSA receiver that allows the speaker to receive audio in up to 24-bit uncompressed High Definition quality. Any device with a WiSA transmitter (such as Stereo Hub) can be connected wirelessly to all SA legend silverback speakers.

Chromecast
High quality wireless input for both Android and Apple. Up to 24/96 High Definition sound quality.
Airplay
High quality wireless input for Apple. Up to 24/96 High Definition sound quality.
Bluetooth
Wireless input of standard quality.
Spotify Connect
Direct access to content on Spotify, as well as music in several rooms on devices that also offer Spotify Connect

2 analog inputs
Connects your CD and turntable (using a RIAA amplifier)
4 optical inputs
Connects your TV, CD, gaming console, etc.
HDMI
If your TV has HDMI ARC, just connect it to this input and enjoy that you only need the TV’s remote to be in control of both sound and picture.
USB C
Connects your computer when you want to listen to high-resolution music files (up to 24/192)
COAX
Connects your CD player or other digital players.

The remote control is practical and innovative at the same time.
It works with radio frequencies so you don't have to point with it. It lights up when you pick it up. When you adjust the volume you can see it on the remote control. Even when you do it on your smartphone.

When using Chromecast or Spotify Connect you control the sound in many rooms and through many brands.

The app on your smartphone that allows you to control light, sound, ventilation etc. and your SA legend silverback speakers.

Control the music with your voice. Ask for example your phone to turn up the music, play another song or move the play into another room.

Owners of the Stereo Hub and SA legend silverback speakers can get incredible bass in their music systems with SA Room Service. It's an App for your smartphone. The app upgrades the sound from your music system by making acoustics in your living room co-operate with the acoustics of your loudspeakers. In that way you get far better music experiences.

Stereo Hub is connected to the SA legend silverback speakers using wireless WiSA technology. It is the world's leading technology in wireless audio. WiSA transmits 24-bit uncompressed audio, without loss. The quality of the wireless connection corresponds to the quality of the best speaker cable. The WiSA signal from the Stereo Hub has a range of up to 25 meters.