Stereo link means two speakers, or two audio channels, are tied together so they work as one left and right pair. On a home speaker it is the setting that turns two separate boxes into a stereo pair: one plays the left channel, the other plays the right, and you control them as a single system. On studio and stage equipment the same words describe a switch that makes two channels share one set of controls.
What does stereo link do on a home speaker?
Most music, film and TV sound is mixed in stereo, with a left channel and a right channel. A single speaker has to fold both into one box, so instruments and voices that were placed apart end up in the same spot. Stereo link fixes that by splitting the job. One speaker takes the left channel, its partner takes the right, and the space between them fills with sound.
In practice you see it as a single name on your phone or TV, one volume level and one set of controls. If your phone still lists two separate speakers, or both play exactly the same thing, the pair is probably not in stereo. Our guide to stereo vs mono speakers explains why that difference matters for what you hear.
Is stereo link the same as TWS?
Often, yes. On wireless speakers the link usually happens over Bluetooth, and makers call it stereo link, stereo pair, stereo mode or TWS, short for True Wireless Stereo. The names differ, but they describe the same result: two speakers playing left and right without a cable between them. If you want the detail on how the wireless version works, read what True Wireless Stereo is and whether it is real stereo. For the steps to pair a set, see our guide to TWS mode and pairing.
Watch out for a similar looking setting called party mode, or multi-speaker mode. It links several speakers too, but every speaker plays the same full mix. That is useful for spreading sound around a garden or a large space. It is not stereo.
What does stereo link mean on studio or stage equipment?
Here it means something slightly different. A mixer, an amplifier or a compressor with two channels may have a stereo link button. Press it, and the controls on one channel also set the other, so the left and right sides always match.
On a compressor this matters for the stereo picture. If each side reduced its level on its own, a loud sound on the left would turn only the left side down, and the sound would seem to drift towards the right. Linking the channels makes both sides react together, so everything stays where it was placed.
Some powered speakers made for stage use also have a link output. This passes the incoming signal on to a second speaker through a cable. Depending on how it is set up, the two can play the same sound or one channel each, so check the manual before you assume you have a stereo pair.
Can you link any two speakers together?
Not always. With wireless speakers, a stereo link nearly always needs two of the same model. Two different speakers may connect to the same phone, but that does not make them a stereo pair.
With wired speakers the rules are simpler. Any two passive speakers can be a stereo pair if you run each one from the left and right outputs of an amplifier. Most stereo pairs need a cable between them, even the powered kind, because one speaker usually feeds the other.
How do uStream speakers link?
There is no stereo link setting to find. A pair of uStream Three, uStream Two, uStream One or uStream Cube speakers links automatically when you switch them on, with no app and no Wi-Fi. There is no wire between the speakers, so each one goes where it sounds best.
All the inputs sit on the left speaker, so you connect your source once. Each of these models connects to a TV through HDMI eARC, and the TV remote then controls the volume. You can compare the range on our uStream products page.
Where should a linked pair go?
A wireless link frees you from a cable, but it does not change how stereo works. Put the speakers either side of the screen or your seat, at roughly the same distance from where you sit, with the tweeters near ear height and a little room from the walls. Our guide to where speakers should be placed covers the details.
Frequently asked questions
What does stereo link mean?
It means two speakers or two channels are joined so they act as a left and right pair. On home speakers it creates a stereo pair; on studio equipment it makes two channels share the same settings.
What is stereo link mode?
It is the setting on a wireless speaker that pairs it with a second speaker of the same model, so one plays left and the other right. Some makers call it stereo pair or TWS mode.
What does stereo link do on a compressor?
It makes both channels reduce their level together. That keeps the left and right balance steady, so sounds do not seem to shift across the stereo picture.
Can you link two speakers together for stereo?
Yes, if they are designed to pair. Wireless speakers usually need to be the same model. Passive speakers become a stereo pair when each is connected to the left or right output of an amplifier.
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