Sonos Era 300 Wireless Smart Speaker
Today
Typical price$499
Amazon: the cheapest today among the stores checked
Buy on AmazonSonos Era 300 Wireless Smart Speaker or Sony ULT Field 7 Wireless Bluetooth Portable Waterproof Party Speaker Black?
ULT Field 7 Wireless Bluetooth Portable Waterproof Party Speaker Black costs $1 less today, across the stores checked.
Sonos Era 300 Wireless Smart Speaker is the cheaperSony ULT Field 7 Wireless Bluetooth Portable Waterproof Party Speaker Black is $1 the cheaper
The comparison in detail
Sony ULT Field 7 Wireless Bluetooth Portable Waterproof Party Speaker Black
Today
Typical price$498
Amazon: the cheapest today among the stores checked
Buy on AmazonAffiliate links: if you buy, the store pays us a commission at no cost to you.
Both prices over the last 30 days
Era 300 Wireless Smart SpeakerULT Field 7 Wireless Bluetooth Portable Waterproof Party Speaker Black
First data point for one of the two: the chart appears as the days go by.
Still only a few days of data for both to read the trend; the chart fills in as the days go by.
Where is each one cheapest today?
Updated 07/11/2026
Era 300 Wireless Smart Speaker
- Amazon Lowest price$499Buy on Amazon
ULT Field 7 Wireless Bluetooth Portable Waterproof Party Speaker Black
- Amazon Lowest price$498Buy on Amazon
Spec sheet side by side
| Item | Era 300 Wireless Smart Speaker | ULT Field 7 Wireless Bluetooth Portable Waterproof Party Speaker Black |
|---|---|---|
| Specs | ||
| Type changes | Home | Portable |
| Waterproof changes | not listed | Yes |
| General | ||
| Model changes | Era 300 Wireless Smart Speaker | ULT Field 7 Wireless Bluetooth Portable Waterproof Party Speaker Black |
Other comparisons
Era 300 Wireless Smart Speaker orSonos Move 2$499Compare
Era 300 Wireless Smart Speaker orSony STRDH190 2-ch Stereo Receiver$528Compare- ULT Field 7 Wireless Bluetooth Portable Waterproof Party Speaker Black orSonos Move 2$499Compare
ULT Field 7 Wireless Bluetooth Portable Waterproof Party Speaker Black orWet Sounds Portable Bluetooth Speaker$525Compare- Era 300 Wireless Smart Speaker orWet Sounds Portable Bluetooth Speaker$525Compare
How we choose
Source: Catalog of partner stores, checked on 07/11/2026.
Lowest price seen for the product in the stores we read, on the day it was read, before sales tax. The model is the brand plus the name of the Bluetooth speaker; the versions go in the table. The price range, the median and the position use only models with a score; the price comparison looks at models whose score is within 0.5 points.
The spec score doesn’t measure how it sounds or real battery life or durability, and the strong or weak point reading is just a comparison of numbers, not a buying recommendation.