I’ve 2 old play5 gen 1 and want to purchase a Sonos product that will connect with the old technology help please 
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Read about Sonos S1 and S2 compatibility here:
https://support.sonos.com/en-us/article/sonos-s2-compatibility
You can use any Sonos device with the Play:5 (Gen 1) that isn’t under the “S2 required” list.
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