Detail 01
Roundwound
Ridged outer winding gives brighter top end and more finger noise than a smooth flatwound.
Product detailSKU #1274115036655
ThomastikJR344 Scale Roundwound 4-String Jazz Bass Strings
Independent shopping perspective
The Korena take
Roundwound 4-string bass set from Thomastik's JR344 jazz line. For players who want a bright, articulate set on a standard-scale bass.
Strong match
Who this is for
- Jazz and session players wanting note definition under a mix
- Fingerstyle bassists who want string noise and attack
- Replacing dull factory strings on a standard four-string
Consider the trade-offs
When to look elsewhere
- Players chasing thumpy Motown tone, flatwounds do that
- Five-string or extra-long-scale basses
- Anyone bothered by finger squeak on the wound strings
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
4-string set
Covers E, A, D and G. No low B, so this will not restring a five-string.
Detail 03
Standard scale
Sized for a typical 34 inch bass. Extra-long-scale instruments may run short at the tuner.
Detail 04
Thomastik construction
Lower tension than many roundwound sets, which changes how hard you have to dig in.
Detail 05
Jazz-line voicing
Aimed at clarity and note separation rather than a scooped modern slap tone.
Final check
Know before you order
- 01Roundwounds wear frets faster than flatwounds over years of play
- 02Tension change may need a truss rod and intonation check
- 03Measure scale length before ordering, these are for standard scale
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Will these fit a 5-string bass?
No. This is a four-string set covering E, A, D and G. There is no low B string included.
02Roundwound or flatwound for jazz?
Roundwounds like these give brighter attack and note definition. Flatwounds give the darker, thumpier upright-like tone many jazz players prefer.
03Do I need a setup after installing?
Check relief and intonation. Any tension change from your old set can shift neck relief enough to need a truss rod tweak.
04Will they fit through-body stringing?
Through-body routing adds string length. Confirm your bass's stringing path before ordering, since standard-scale sets can come up short.
Reference
Full specifications
The complete catalog record, organized around the decisions musicians make when comparing gear.
1 detailsPickups & controls
- Pickup Configuration
- JJ
