Marshall Willen II Bluetooth Speaker
Today
Typical price$180
Amazon: the cheapest today among the stores checked
Buy on AmazonMarshall Willen II Bluetooth Speaker or Ultimate Ears Boom 4 Portable Bluetooth Speaker?
Cost the same today, across the stores checked.
Marshall Willen II Bluetooth Speaker is the cheaperUltimate Ears Boom 4 Portable Bluetooth Speaker is the cheaper
The comparison in detail
Ultimate Ears Boom 4 Portable Bluetooth Speaker
Today
Typical price$180
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
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
Willen II Bluetooth Speaker
- Amazon Lowest price$180Buy on Amazon
Boom 4 Portable Bluetooth Speaker
- Amazon Lowest price$180Buy on Amazon
Spec sheet side by side
| Item | Willen II Bluetooth Speaker | Boom 4 Portable Bluetooth Speaker |
|---|---|---|
| Specs | ||
| Type changes | Home | Portable |
| Waterproof | Yes | Yes |
| General | ||
| Model changes | Willen II Bluetooth Speaker | Boom 4 Portable Bluetooth Speaker |
Other comparisons
Willen II Bluetooth Speaker orAnker soundcore Boom 2 Portable Speaker$180Compare- Boom 4 Portable Bluetooth Speaker orAnker soundcore Boom 2 Portable Speaker$180Compare
Willen II Bluetooth Speaker orJBL Charge 5 Portable Bluetooth Speaker$180Compare- Boom 4 Portable Bluetooth Speaker orJBL Charge 5 Portable Bluetooth Speaker$180Compare
Boom 4 Portable Bluetooth Speaker orSony ULT Field 3 Wireless Bluetooth Portable Waterproof Speaker$178Compare
Boom 4 Portable Bluetooth Speaker orSony ULT FIELD1 Wireless Bluetooth Portable Waterproof Speaker Forest Grey$178Compare
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.