Hi pstoric83
According to Sonos the Boost has 3 antennae that broadcast in 360 degrees. Theoretically it should provide better coverage
if needed. However, if the Play 1 is fulfilling the need there's no reason to spend the extra money. Click the link for info as to when a dedicated boost module might be of benefit.
https://www.sonos.com/support/en/sonos-user-guide/index.html#t=sonos-user-guide%2Fboost%2Fboost.htm
Signal strength aside there other reasons you might consider a dedicated Boost module. Such as:
- Eliminates placing a speaker in a less than desirable location
- Smaller footprint (about the size of a hockey puck)
- Wall mountable
Cheers!Together Everyone Achieves More = T.E.A.M.