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Avid Contributor II
Nov 29, 2025 2:34 AM UTC
Answered

Sub 3 or Sub 4 for Arc

I have an Arc with two SL1s I see that Sonos have specials for the large woofer. My question is which is the most compatible for Arc. I understand that Sub 4 is best for Arc Ultra but mine is the first gen Arc. Also Costco have Sub 3  special price of $779 and Sonos have Sub 4 for $719. I assume the more I add on the greater the home theatre experience is. 

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Stanley_4
Stanley_4Answer
Grand Maestro
Nov 29, 2025 3:08 AM UTC

Either Sub is fully compatible so no worries there.

The 4 has newer electronics and weighs less, neither (so far) appears to make any difference.

Buying the 3 has been recommended due to the usually lower price.

I picked up a 4 recently, for no real good reason than maybe someday the new electronics will matter.

 

2 replies

Stanley_4
Stanley_4Answer
Grand Maestro
Nov 29, 2025 3:08 AM UTC

Either Sub is fully compatible so no worries there.

The 4 has newer electronics and weighs less, neither (so far) appears to make any difference.

Buying the 3 has been recommended due to the usually lower price.

I picked up a 4 recently, for no real good reason than maybe someday the new electronics will matter.

 

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ECN315Author
Avid Contributor II
Nov 29, 2025 3:28 AM UTC

Makes sense to me guess I’ll go the cheaper being in this case the 4 I was more concerned about compatibility unlike Apple, Sonos appears to allow the mix of old with new. 

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