Ernie Ball Power Slinky Flatwound Bass Guitar Strings, 55-110 Gauge (P02811)
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Availability:
In Stock.
Arrives
Saturday, Jun 6
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Color: Power (55-110)
Style: 4-String
Features
- Slinky Flatwound bass strings bring together the smooth feel of traditional flats with the power of Cobalt
- Cobalt alloy wrap wire delivers added clarity and output without the finger noise of a roundwound string
- Optimal core-to-wrap ratio ensures comfortable tension and playability
- Made in California, USA with the finest and freshest materials
- Gauges: 55, 75, 90, 110
Description
Ernie Ball Slinky Flatwound bass strings combine the smooth feel of traditional flats with the modern power of Cobalt. Applying the brightness and clarity of our proprietary cobalt alloy to a flat wrap wire gives rise to an innovative new bass string that features the tonal qualities of a roundwound with the silky smooth feel of a flatwound string. Gauges: 55, 75, 90, 110.
Brand: Ernie Ball
String Gauge: .055
Color: Power (55-110)
Instrument: Bass Guitar
String Material Type: Cobalt
Brand Name: Ernie Ball
Instrument: Bass Guitar
Global Trade Identification Number: 13
UPC: 749699128113
Manufacturer Part Number: P02811
Set Name: Power Slinky
Warranty Description: None.
Unit Count: 4.0 Count
Included Components: 4 bass strings
Item Type Name: Bass Guitar Strings
Model Name: Power Slinky
Model Number: P02811
Item Weight: 0.09 Kilograms
Manufacturer: Ernie Ball
String Material Type: Cobalt
Coating Description: Cobalt Coated
Body Material Type: Cobalt
Material Type: Cobalt
String Gauge: .055
Color: Power (55-110)
Finish Type: Cobalt Coated
Recommended Uses For Product: Playing music on an electric bass guitar, practicing, recording, performing
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Jun 6
Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Color: Hybrid (45-105)
Style: 4-String
Do not cut these strings to length! Wrap them per the instructions inside the package. They fit a 34 inch scale Fender bass just fine and they are nearly the size that I would cut them to if I were installing regular strings. This particular bass has smaller diameter posts than a normal Precision or Jazz bass does and I was still able to wrap the full length of the strings easily. The key reason is that the inner wire is much thinner and more flexible than on the bass strings I'm accustomed to using. If they fail or unravel I will follow up this review. The sound is unique and I like it. 2 other bass players also played the strings liked the sound. Not a normal flat sound (which is a great sound). This may change as the strings age. I think these would sound good on a fretless bass and I may try that in the future. The guage is 45-65-85-105 and they feel great. It seems to me that the string tension is high but there is no way for me to measure that. It might be why people hear a brightness in the sound? It does not feel like a stiff string when played. These are smooth strings. The tonal balance between strings was perfect. Very enjoyable to play. I hope they last a good long time. I am looking forward to some sound difference as they age. I'm not sure what that will be but it happens to all strings over time. The best endorsement that I could give is that I immediately thought about buying more for other basses. I feel that the price is just right for these strings. If they were more expensive, I would be inclined to buy LaBella flats or D'Addario Chromes instead. I have used Ernie Ball strings for 20ish years and they always perform well so I'm glad they have flatwound strings.
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Reviewed in the United States on September 1, 2020 by S. Brown
Color: Super (45-100)
Style: 4-String
High quality flat wound strings. They fit rather nicely on my Fender Precision Bass Q: Comparable to TI Jazz Flats? A: Almost. They wrap around the machine heads quite easily. No need to trim them down. They have a lower tension for a hex core then most others. Comparable to most round core strings. Very bright when they're new. If you're looking for a flat wound that has some of the round wound characteristics, look no further.
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Reviewed in the United States on April 29, 2026 by Wolf-Spider!
Color: Super (45-100)
Style: 4-String
I absolutely love these strings. The flat wound strings are a lot more gentle on the fingertips than round wound strings. They sound great too.
Reviewed in the United States on May 3, 2026 by E. Whaley
Color: Super (45-100)
Style: 4-String
. . . these are excellent strings IF you like throaty, meaty, articulate in a good way bass tones -- which is also what TIs provide. These are what I think of when I think bass guitar sound. I play solid, up-tempo, catchy, riff-based, melodic, pop/rock/surf/punk. I am NOT nor will I ever be a slapper. These EB cobalt flats are soft to the touch but not too soft, residing in a Goldilocks zone for me. The TIs are a tad softer, maybe a tad smoother but honestly if you didn't have them side-by-side on identical basses, as I did, you might not be able to tell. Coming from a guitar player's perspective who never before played bass beyond casual noodling, who recently auditioned 14 different bass guitar brands, with mostly different strings on each, and who is 90% of the time using a pick (Dunlop Tortex .60 mm), I would be (and will be) happy to continue to use these as my mains on one of my basses. The TIs are on the other bass, and it was my first time using those too. There, instantly, I understood why most bassists regard TIs in such a high stature. They have a certain je ne sais quoi when playing them -- tone and feel. These EB cobalts are not worse, just different, but they ARE in the same category as the TIs, at $25 less. McLaren vs Ferrari. IDK, personally I think if you can swing it, it's worth it to have both. Knowing what I know now, why anyone would ever want to play the stock Fender rounds after playing these EBs or TIs is a complete and utter mystery to me. Yet that diversity is what makes life interesting.
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Reviewed in the United States on March 29, 2024 by CriticalEye
Color: Regular (45-130)
Style: 5-String
I replaced more expensive LaBella Deep Talking' Flats with these on my fretless bass. The LaBellas are dull, thuddy and lifeless. These strings did exactly what I hoped for, they feel and play like flats, sound warm, lively and keep enough of the high frequency to provide a slight bite to the sound, (but not as much as you get with roundwounds). The only reason I gave 4 not 5 stars is because they stupidly come coated in something that feels like WD40 and leaves your fingers feeling oily after playing. Also I don't want oil (or whatever it is) on my bass's fingerboard. I didn't notice until I had installed the strings, so now I need to take them off and clean them and the fingerboard with denatured alcohol or something. Other than that these are exactly what I was hoping to find sonically.
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Reviewed in the United States on June 29, 2024 by Justniz
Color: Extra (40-95)
Style: 4-String
These strings have the brightness of a roundwound and the feel of a flatwound. I play many genres, so a versatile string is important to me. On my P bass, I can roll the tone all the way off and get some really articulate low mids in my tone. With a mute, they have an excellent Motown thump. They are also fantastic for slap. I only need to turn the tone knob up to 40 or 50% with a fresh pack; they have plenty of room to mellow out and still maintain their clarity. With the tone wide open, you can absolutely shred some rock or metal tunes. I initially purchased the hybrid set (45-105) and after 5 hours of practice in a day I noticed my fretting hand was getting sore. I bought one gauge lighter (40-95) and these have similar flexibility to the 45-105 set of roundwounds I'm used to. The lighter gauge 40-95 set is much easier on the fretting hand. It has a brighter slap and pop tone, as well as a bit more clarity above the 12th fret. The hybrid set is warmer. Both sound really good, it's mostly just down to personal preference. Any tone difference can be dialed out with some EQ.
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Reviewed in the United States on April 9, 2024 by Sean
Color: Hybrid (45-105)
Style: 4-String
Ernie Ball Slinky Cobalt Flatwound strings are the best flatwound bass strings ever invented by mankind. Period. These strings are pricey compared to round wound stainless steel or round wound nickel bass strings, but they last 3 times longer and are totally worth the cost. I have EB Cobalt Flats on 4 of my 14 basses.... Sterling Stingray 5 HH, Sire Marcus Miller V5 (jazz bass) Fretless, Fender Player Precision and Fender Vintera 60's Jazz. These strings eliminate finger noise and sound similar to round wound strings with zing and mid-range growl. Not quite a piano-like tone like fresh rounds, but that kind of tone is not needed for classic bass tones. I was always disappointed with average flat wound strings. Thought they were dull sounding and lifeless. EB Cobalt flats are anything but dull and keep their tone even after months of playing. Highly recommended for bassists who want a long lasting string with a much better tone and range than typical flatwound strings on the market. A+++
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Reviewed in the United States on December 13, 2023 by BFM90
Color: Power (55-110)
Style: 4-String
Exactly as described. I have them on a Fender acoustic bass tuned a half step down and drop C#. They sound great. Very smooth and quick. I will buy another set of these for my 5 string next time I change its strings.
Reviewed in the United States on May 17, 2026 by House Daniels