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How HEOS Built-In technology takes multi-room audio beyond standalone speakers

By What Hi-Fi?

Take your home listening to the next level

How HEOS Built-In technology takes multi-room audio beyond standalone speakers
(Image credit: Denon)

There once was a time when multi-room audio meant turning the volume up loud enough to hear it in another room. Thankfully, things have come on a bit since then. HEOS Built-In is leading the way for a new generation of multi-room audio, a way of wirelessly connecting all your speakers, AV receivers and other AV gear so they can work together as a true home audio system.

Intrigued? Let’s see what it can do.

What is HEOS Built-In?

HEOS stands for Home Entertainment Operating System. It’s a wireless multi-room audio platform that connects your audio kit wirelessly. And because it works over your home wi-fi network, your gear can work together seamlessly even if it’s dotted in different rooms all around the house.

If a device is labelled as having ‘HEOS Built-In’, you know it’s compatible with other HEOS products. In other words, you know it will work effortlessly with your other HEOS Built-In devices, so you can buy it with confidence knowing that it’ll slot right into your home audio ecosystem.

What can HEOS Built-In do?

How HEOS Built-In technology takes multi-room audio beyond standalone speakers

(Image credit: Denon)

HEOS Built-In connects all your devices wirelessly, so they can talk to each other over your home wi-fi network. That means they can play the same music – so it’ll be audible wherever you are in the house – or you can set a different playlist for each, creating a different mood in each room. Great for house parties.

HEOS Built-In works with all kinds of digital music services over wi-fi, or you can stream offline using Bluetooth straight from your phone or laptop. You can stream all sorts of services using HEOS Built-In devices, including Amazon Music, Deezer, Napster, SoundCloud, Spotify, Tidal, Tune-In and more.

It also plays nice with locally stored files on media servers or PCs. Better fire up the NAS drive.

And if you don't have a NAS drive, you can effectively create one yourself thanks to the USB port. Every HEOS Built-in device has a USB port which lets you stream music from that source across multiple rooms. This basically lets you create your own little NAS system. Very handy.

What music file formats does HEOS Built-In support?

You’ll be happy to hear that HEOS Built-In supports streaming uncompressed music files over wi-fi. These will sound better than those compressed ones streamed offline over Bluetooth.

HEOS Built-In supports MP3, AAC, Apple Lossless, DSD, Flac, Wav and WMA.

What about analogue media?

It supports that too. As long as you have a HEOS Built-In home theatre receiver, you can stream music from physically connected sources like a CD player, turntable or even cassette deck. You didn’t throw out those old cassettes did you?

How do you use HEOS Built-In?

How HEOS Built-In technology takes multi-room audio beyond standalone speakers

(Image credit: Denon)

It’s all about the app. Once you’ve downloaded it, it works as the control centre of your HEOS Built-In system. And setting it up is a doddle – just tap ‘Setup Now’ within the app and it’ll automatically sniff out and connect to any HEOS-compatible devices in the house.

The app is free to download for iOS (opens in new tab) and Android.

What devices have HEOS Built-In?

How HEOS Built-In technology takes multi-room audio beyond standalone speakers

(Image credit: Marantz)

All sorts of devices feature HEOS Built-In, from speakers to soundbars to mini systems, AV receivers and even traditional hi-fi set-ups.

These include wireless speakers like the new Denon Home range, and soundbars like the DHT-S516H and DHT-S716H. AV receivers from Denon and Marantz also support the technology, including the Denon AVC-X8500H and Marantz SR8012. 

More specialist hi-fi equipment also comes with HEOS Built-In enabled. These include Marantz pre-amplifiers like the AV8805, hi-fi systems like the Marantz ND8006 and network audio players like the Marantz NA6006.

You can see a full list of compatible kit here. 

That means you can stream music from almost any conceivable source. Want your CD player upstairs to play out of the soundbar under the TV in the lounge? No problem. Or maybe you just want a different playlist in every room of the house? Whatever your home audio needs, HEOS Built-In has you covered.

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What Hi-Fi?, founded in 1976, is the world's leading independent guide to buying and owning hi-fi and home entertainment products. Our comprehensive tests help you buy the very best for your money, with our advice sections giving you step-by-step information on how to get even more from your music and movies. Everything is tested by our dedicated team of in-house reviewers in our custom-built test rooms in London, Reading and Bath. Our coveted five-star rating and Awards are recognised all over the world as the ultimate seal of approval, so you can buy with absolute confidence.


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