v3.25.2
COVER - shares
9 Months Ended
Jun. 28, 2025
Jul. 22, 2025
Cover [Abstract]    
Document Type 10-Q  
Document Quarterly Report true  
Document Period End Date Jun. 28, 2025  
Document Transition Report false  
Entity File Number 001-38603  
Entity Registrant Name SONOS, INC.  
Entity Incorporation, State or Country Code DE  
Entity Tax Identification Number 03-0479476  
Entity Address, Address Line One 301 Coromar Drive  
Entity Address, City or Town Santa Barbara  
Entity Address, State or Province CA  
Entity Address, Postal Zip Code 93117  
City Area Code 805  
Local Phone Number 965-3001  
Title of 12(b) Security Common Stock, $0.001 par value  
Trading Symbol SONO  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Large Accelerated Filer  
Small Reporting Company false  
Emerging Growth Company false  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   120,880,277
Entity Central Index Key 0001314727  
Document Fiscal Year Focus 2025  
Document Fiscal Period Focus Q3  
Amendment Flag false  
Current Fiscal Year End Date --09-27