Anker PowerConf S330 USB Speaker
Today
Typical price$90
Amazon: the cheapest today among the stores checked
Buy on AmazonAnker PowerConf S330 USB Speaker or Edifier ES20 Portable Bluetooth Speaker?
Cost the same today, across the stores checked.
Anker PowerConf S330 USB Speaker is the cheaperEdifier ES20 Portable Bluetooth Speaker is the cheaper
The comparison in detail
Edifier ES20 Portable Bluetooth Speaker
Today
Typical price$90
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
PowerConf S330 USB Speaker
- Amazon Lowest price$90Buy on Amazon
ES20 Portable Bluetooth Speaker
- Amazon Lowest price$90Buy on Amazon
Spec sheet side by side
| Item | PowerConf S330 USB Speaker | ES20 Portable Bluetooth Speaker |
|---|---|---|
| Specs | ||
| Type changes | Home | Portable |
| Waterproof changes | not listed | Yes |
| General | ||
| Model changes | PowerConf S330 USB Speaker | ES20 Portable Bluetooth Speaker |
Other comparisons
PowerConf S330 USB Speaker orTribit StormBox 2 Bluetooth Speaker$90Compare- ES20 Portable Bluetooth Speaker orTribit StormBox 2 Bluetooth Speaker$90Compare
PowerConf S330 USB Speaker orUltimate Ears WONDERBOOM 4 Portable Waterproof Speaker$95Compare- ES20 Portable Bluetooth Speaker orUltimate Ears WONDERBOOM 4 Portable Waterproof Speaker$95Compare
PowerConf S330 USB Speaker orW King 90W Peak Bluetooth Speaker$94Compare- ES20 Portable Bluetooth Speaker orW King 90W Peak Bluetooth Speaker$94Compare
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.