Contributor I

Amp/Arc Ultra set up

14 replies
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I have an Arc Ultra, Sub 4 and Amp connected to ceiling speakers. What is the best way to connect The arc ultra and amp to each other? Wired or wireless? If wired, do you run an earc hdmi from tv to arc ultra and tv to amp? Then, is it better to group the arc/sub to amp or is it better to add the amp as surrounds in the same arc/sub group?

Finally when I was exploring and started to add the amp as surrounds to the arc, I got a notification that doing so would stop the amp speakers from playing analog sound. What, if any, negative impact will that create? Thanks in advance.

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buzz

Grand Maestro

SONOS supports an ARC ULTRA plus two surround speakers and an optional SUB or two. The surround speakers could be a pair of SONOS speakers, such as the ERA’s, or a pair of passive 3rd party speakers driven by a SONOS AMP. Note that only two surround speakers are supported. Adding an additional pair of speakers by any means will create time synchronization and sound “image” issues.

An alternate scheme would be to use a SONOS AMP in the front with a pair of 3rd party L/R passive speakers.

Using ERA 300’s in the rear and an ARC UTRA in the front will enable the wider “sound stage” offered by Dolby ATMOS video sources.

A

Anna BAuthor

Contributor I

The amp can support 4 speakers. The tuning eliminates any odd/uneven sounds and balances the whole area. No problem with out of place wound. If I was building it, I imagine two speakers would be sufficient but the room was wired for 4 so I maximized the potential. Would be an easy thing to reduce to two speakers if the sound quality suffered. You absolutely get beautiful Dolby atmos sound with two 300s behind you; but, lucky for me, it’s not the only way. I was able to achieve comparable sound with an amp and the passive ceiling speakers which produces both the downward firing and rear sound expected in a Dolby atmos set up. It’s not less expensive, but for me, it was a better solution in order to eliminate extra speakers and plugs in the back of the room and allowed me to use existing wiring in the room.

M

megabowman

Lyricist I

Hi @Anna B thanks for your post, did you use sonance ceiling speakers or another brand?

106rallye

It seems strange to me that four ceiling speakers would do for Atmos (where two are exepected for 5.1 and without being capable of doing Atmos) would give a comparable Atmos effect with two Era 300's that are built to do Atmos. But if it sounds good to your ears, who am i to argue?

Trueplay can only be performed with Sonos by Sonance in ceilings.

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