Detail 01
Cobalt Series
The strings use Ernie Ball's Cobalt string alloy, described as highly magnetically active.
Product detailSKU #1321473138287
Ernie Ball2731 Cobalt Power Slinky Electric Bass Strings
1/8
Independent shopping perspective
The Korena take
A round-wound Cobalt Series bass set made for clarity, punch, sustain, and output.
Strong match
Who this is for
- Electric bass players seeking increased sustain, clarity, and output
- Players who want round-wound strings with a 55–75–90–110 gauge set
- Players looking for strings described as more resistant to sweat and moisture than nickel-wound strings
Consider the trade-offs
When to look elsewhere
- Players who do not want a round-wound bass string
- Players needing gauges other than 55–75–90–110
- Non-electric bass applications
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
Round-wound
The stated construction is intended for maximum clarity and serious punch.
Detail 03
55–75–90–110
These are the listed gauges for the four-string set.
Final check
Know before you order
- 01Confirm that the 55–75–90–110 gauge set suits your bass and playing preference.
- 02These are round-wound electric bass strings.
- 03The product description compares Cobalt strings with classic nickel-wound strings for sustain, clarity, output, flexibility, and moisture resistance.
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01What gauges are included?
55, 75, 90, and 110.
02Are these strings round-wound?
Yes. They are described as round-wound.
03What instrument are they for?
Electric bass.
04Where are they made?
They are made in the USA.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
4 detailsOther
- Category Source
- detail
- Tier
- new
- Korena Special
- false
- Source Id
- site51321473138287
Worth comparing
1 of 12
More from Ernie Ball
1 of 8
