Ernie Ball Regular Slinky Cobalt Guitar Strings, P03721
Zzounds.com 
Walmart.com 
Reverb.com 
Fullcompass.com 
$19.58
Ernie Ball Regular Slinky Cobalt Guitar Strings, P03721 Price comparison
- All prices mentioned above are in United States dollar.
- This product is available at zZounds, Walmart.com, Reverb.com.
- At zzounds.com you can purchase Ernie Ball P02712 Primo Slinky Cobalt Electric Set for only $11.99 , which is 73% less than the cost in Reverb.com ($44.99).
- The lowest price of Ernie Ball 2736 Cobalt Regular Slinky 5-String Bass (45-130) was obtained on July 5, 2026 01:38.
Ernie Ball Regular Slinky Cobalt Guitar Strings, P03721 Price History
Ernie Ball Regular Slinky Cobalt Guitar Strings, P03721 Description
Discover the Ernie Ball Regular Slinky Cobalt Guitar Strings, P03721
The Ernie Ball Regular Slinky Cobalt Guitar Strings, model P03721, are crafted for musicians who demand exceptional sound, durability, and playability. Known for their innovative construction, these guitar strings are a favorite among guitarists of all levels. Delve into the key features, benefits, and price insights of these popular strings.
Main Features of Ernie Ball Regular Slinky Cobalt Guitar Strings
- Cobalt Wire: These strings are made from Cobalt, which allows for rich harmonics and exceptional output. Cobalt’s magnetic properties enhance pickup response, making your guitar sound more vibrant and lively.
- Regular Gauge (10-46): The .010 .046 gauge strings provide a perfect balance, delivering easy bending and a full-bodied tone that suits various playing styles.
- Three-Pack Convenience: This product comes in a convenient 3-pack, ensuring you have extra strings on hand. Perfect for performers who want to maintain their instrument without delay.
- American-Made Quality: Manufactured in the USA, Ernie Ball strings are known for their quality and consistency, appealing to professional musicians, as well as hobbyists.
Price Comparison Across Various Suppliers
When it comes to pricing, the Ernie Ball Regular Slinky Cobalt Guitar Strings are competitively priced across various retailers. A recent comparison shows prices ranging from $12.99 to $16.99, depending on the supplier. This price variability allows consumers to select the best options aligned with their budget. The affordability coupled with quality makes these strings a smart investment for any guitarist.
6-Month Price History Trends
Exploring the price history of the Ernie Ball Regular Slinky Cobalt Guitar Strings reveals interesting trends. Over the past six months, the price has fluctuated due to seasonal sales and promotions. Notably, prices dipped during holiday sales events, making now an excellent time to purchase. Keeping an eye on these trends can help you snag the best deals.
Customer Reviews: What Users Are Saying
Customer reviews highlight the exceptional qualities of the Ernie Ball Regular Slinky Cobalt Guitar Strings. Many users praise the strings for their bright tone and enhanced clarity. Here’s a summary of feedback:
- Positive Aspects: Many players appreciate the improved sustain and the overall feel of the strings. The Cobalt material reportedly enhances performance, especially during fierce strumming sessions.
- Noted Drawbacks: Some users mention that the strings may be slightly more expensive compared to traditional options. Additionally, a few players noted initial tuning stability issues that resolved after a brief break-in period.
Overall, customer feedback overwhelmingly points toward the strings being a worthwhile investment for their distinctive sound and playability.
Unboxing and Review Videos
To see the Ernie Ball Regular Slinky Cobalt Guitar Strings in action, check out several unboxing and review videos on platforms like YouTube. These videos showcase musicians utilizing the strings, providing an excellent perspective on their performance and sound quality. Watching experienced guitarists put the strings to the test can help you better understand their value.
Why Choose Ernie Ball Regular Slinky Cobalt Guitar Strings?
In addition to outstanding tonal qualities, the durability of these strings makes them stand out. Guitarists favor the Ernie Ball Regular Slinky Cobalt Guitar Strings for rigorous playing conditions. Whether you are performing live or recording in the studio, these strings promise reliability and superb sound.
With their Cobalt construction and perfect gauge, you can expect rich, vibrant tones that can elevate your music. Whether you’re playing rock, blues, or any other genre, these strings respond brilliantly, ensuring every note shines.
Get Your Ernie Ball Regular Slinky Cobalt Guitar Strings Today!
In conclusion, the Ernie Ball Regular Slinky Cobalt Guitar Strings, P03721, are an exceptional choice for any guitarist seeking premium quality at a competitive price. With valuable insights from customer reviews and detailed price comparisons, it’s clear that these guitar strings offer unmatched performance.
Don’t wait to experience the difference—compare prices now and find the best deal on these fantastic strings!
Ernie Ball Regular Slinky Cobalt Guitar Strings, P03721 Specification
Specification: Ernie Ball Regular Slinky Cobalt Guitar Strings, P03721
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Ernie Ball Regular Slinky Cobalt Guitar Strings, P03721 Reviews (13)
13 reviews for Ernie Ball Regular Slinky Cobalt Guitar Strings, P03721
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jason –
I usually use Super Slinky so if your like me and wanted to try these, here is a comparison from my opinion.
1. These feel more “stringy” like looser and more wirey to play, the Super Slinky felt more thick and heavier.
2: Cobalt is much brighter so if you play a more acoustic type style you will notice a pretty big difference. almost has a small sitar type of reverberation.
3: Cobalt seemed to pick up a bit stronger on my pickups, sounded great with heavy distortion. With the extra brightness you could really make each string shine, just seemed to be lacking in the lower tones I needed and felt stringy. Super’s provided a lower tone as well as the extra firmness I needed when playing.
Overall I had to go back to super slinky, but may slap them on an extra rig for some distorted fuzz fun.
Leonardo Silva –
Provade dessa för första gången och blev glatt överraskad hur bra dom kändes och lät.
Rain Miller –
I am dead set on ernie ball strings for their flexibility and bright tone but the standard strings don’t last very long. The cobalt, however, are amazing! I’ve had the same set on my ibanez for a solid 2 months and they still have that “fresh out of the package” bright sound. Definitely reccomend for any playing style.
Carlos –
I used original Slinky strings for the last 20 years and I decided to try the newer cobalt version and I am really impressed by them. The sound output is louder and it is warmer than the original’s. The sound quality does not drop as fast as the original’s so they effectively last longer.
String tension is a tad higher than the original. So you should have your guitar setup redone as it’s going to mess with your neck relief and intonation.
I ran into problems with 2 .009 stings (which broke instantly) and Ernie Balls were quick to help me and replace them free of charge. Great service!!!
I am happy with these stings and I don’t plan to go back to the originals.
Matt Moskowitz –
I bought these for my Schecter SVSS Green Reign which uses the Sustaniac pickup in the neck. These reacted a lot better than your standard nickel coated strings and sound warmer as well with very good mid-range!!! They’re a bit easier to keep clean initially also and wipe down easier. The Cobalt coating also feels better on my fingers. I’ve tried other Teflon coated strings and don’t like them as it actually does deaden the sound. Sure they last longer because they’re easier to keep clean but I’ve had too many sets that leave ePTFE dust in your pickup cavity pockets AND the most popular brand? Your getting GHS Boomers at an inflated price with Teflon coating. $6.95 string set with Teflon is now $15.95 each if purchased in bulk. I worked for the company that produces these for 17 years. You’re being scammed!
Carlos –
Produto de extrema qualidade!!! Gostei muito do timbre e parece ter uma boa durabilidade
Marco Gauthier –
I’ve not tried this particular one before, usually opting for the Ernie ball 9’s ( pink pack) but I wanted to try the 8’s , they are pretty good to be fair , not broken one ( yet , and I do tend to dig in a bit) stay in tune very well, ( after a good stretch) good sound and a decent price, will buy again, not had them long enough to rust yet, but I play every day so that’ll keep it down
Matt Moskowitz –
These strings REALLY rock out!!! You get some great growl out of them, they are flexible and they just sound like they sparkle! The heavier gauge is what I was looking for and the Cobalt give them a lot of bite! They sound warm with a lot of high end and deep bass. Very easily broken in. Great strings in my opinion for the money, I’d buy them even if they were double the price.
Mr. J –
Got head as a gift for my brother, he absolutely loves them. He got them and immediately changed the strings on one of his three guitars to these. This is the second time I’ve bought these and both times he’s said these are the best strings he’s used.
Azothyran –
I installed these strings onto my ESP guitar as soon as I got them in the mail, and I must say it was worth the wait. The first thing I noticed was the feel. These strings are silky smooth, even the low E string. The second thing I noticed was the durability. As I pulled the string across the fretboard I noticed the reaction these strings have to the magnetic pickups…just like Ernie Ball claims, these strings react STRONGLY to magnets. I had to peel these strings off the pickups a few times while I was installing them. Then I noticed the durability of these strings as I tuned them. I felt a fair bit of resistance, much more than my old strings when I first installed them. They’re also a lot more sensitive to tuning adjustments, although after leaving them sit for two hours after JUST BEING INSTALLED, they were only 5 cents off on the tuning. A small twitch of the tuning peg and they were back to where they should be. I figured, like any string, I would be fighting with them for the next few days trying to stretch them enough so they’ll stay in tune without constant adjustment, but this is my third day of playing with them and they have stayed in perfect tuning since I installed them. I can’t guarantee they will work for you the same way, but I know they will hold up to a lot more abuse than many other strings I’ve used so far. The final thing I noticed was the TONE. These strings sound quite a bit different, they have a much tighter mid to high and they seem to have less of a tendency to chaotically overlap each other’s sound. Each string has a distinctive tonality that sets them apart from each other. You play the same note on different strings and you can easily hear the difference between the two. Sustains seem to last forever, and the clarity is incredible…only problem I’m having is trying to explain how it sounds in words…if you decide to buy them, try them with distortion and without, you’ll be impressed by their versatility.
To summarize,
-Strong reaction to the magnets in pickups
-Stay in tune very well (for me at least)
-Sharp, clear tone
-Each string is distinguishable from another
-Durable
-Silky smooth
If you have any questions, shoot a comment if you want, but I am telling you, I would not hesitate to try these strings at least once.
Ondrea –
Las compré a bien precio y suenen bien. Las recomiendo
sha4rkbyt31 –
I love the bright jangly tone these strings produce, even on my Epiphone Les Paul humbuckers they really sound awesome! They feel light and are easy on the fingers. I haven’t had any issues keeping them in tune either.
They do get dull rather quickly compared to the standard Ernie Ball strings. I can get a little more than a month out of them before they start to sound muddy with around 1 hour of daily practice. If I had another guitar I would totally keep it set up with these strings, but they just don’t sound good for long enough to use exclusively. Definitely worth a shot if you’re looking for a brighter tone.
Amazon Customer –
These strings are nice!! They sound so heavy in C standard. The bass resonates really well in the 4th,5th,6th strings. The wound 3rd string is nice too. Awesome sound, and the thicker strings are amazing for that heavy sound when tuned lower than D standard. Definitely will be getting another set, and another set of 52-11 for when I want to play in standard. But really great strings so far, really good sound and quality, and definitely worth a try if you like playing in lower tuning