Gear article
D'Addario XS Nickel Plated Steel Bass Strings (45–105)
The D'Addario XS Nickel Plated Steel Bass Strings are a premium coated string set designed for long-scale bass guitars. They feature an ultra-thin film coating over nickel-plated wrap wire and NY High Carbon Steel cores to provide extended longevity and enhanced tuning stability.

Overview and Construction
The D'Addario XS series represents a significant advancement in coated string technology for bass guitarists. These strings utilize a premium nickel-plated steel wrap wire applied over high-carbon steel cores. The standout feature is the XS coating, an ultra-thin film treatment applied to every string in the set. Unlike traditional coatings that can feel thick or dampen vibration, the XS treatment is designed to feel smooth under the fingers while protecting the string from contaminants that cause tonal degradation.
Core Technology and Tuning Stability
At the centre of each string is D'Addario's proprietary NY High Carbon Steel core. This specific alloy is engineered to provide superior break strength and improved tuning stability compared to standard steel cores. The wrap wire has been reformulated with updated core-to-wrap ratios, which assists in producing a versatile sound profile with enhanced harmonic content. The combination of the high-carbon core and the precision winding ensures that the strings settle quickly and maintain their pitch during heavy play.

Tonal Character and Playability
The XS Nickel Plated Steel strings are characterized by a clear, balanced tone that retains the 'punchy' response typically associated with uncoated nickel strings. The frequency response is focused, ensuring that low notes remain tight and defined rather than muddy. The higher strings provide a comfortable brightness that allows the bass to cut through a mix without becoming harsh. The 45-105 'Regular Light Top/Medium Bottom' gauge is specifically chosen to offer a firmer low end for rhythmic stability while maintaining easier playability on the upper strings for melodic work.
Comparison to Alternatives
Within the D'Addario ecosystem, the XS strings sit alongside other specialized options like the Zyex or Helicore series for orchestral instruments. Compared to standard uncoated nickel strings, the XS series offers significantly longer life and a smoother tactile feel. While brands like Ernie Ball offer specialized sets such as the M-Steel or Tim Henson Signature Slinkys for guitarists, the XS bass strings focus on the specific tension and longevity requirements of bass players. The XS coating is thinner than many competing coated brands, aiming to provide the protection of a coated string with the acoustic response of an uncoated one.
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Frequently asked questions
- What is the primary benefit of the XS coating?
- The ultra-thin XS coating is designed to extend the life of the string by protecting it from oils, sweat, and debris. It provides a smooth feel under the fingers while maintaining a clear, balanced tone similar to uncoated strings.
- What gauges are included in the 45–105 set?
- This set follows a 'Regular Light Top/Medium Bottom' configuration. It features a .045 gauge for the G string and scales up to a .105 gauge for the E string, providing a balance of flexibility and low-end tension.
- What type of steel is used for the string cores?
- D'Addario uses NY High Carbon Steel for the cores of these strings. This material is chosen for its high break strength and its ability to stay in tune better than standard steel alloys.
- Are these strings suitable for short-scale basses?
- No, these specific strings are designated as 'Long Scale.' They are designed for standard bass guitars with a typical scale length of approximately 34 inches.
- How does the sound of nickel-plated steel differ from pure nickel?
- Nickel-plated steel generally offers a brighter, punchier tone with more output than pure nickel. These strings are designed for versatility, providing clarity that cuts through a band mix.
- What has been updated in the wrap wire formulation?
- The wrap wire has been reformulated with updated core-to-wrap ratios. This adjustment is intended to enhance the harmonic response and provide a more versatile sound across all four strings.
- How do these strings feel to the touch?
- Despite being coated, the XS strings are designed to feel smooth and familiar. The ultra-thin nature of the film ensures that the player does not lose the tactile feedback of the wrap wire.
- Do the low notes sound muddy due to the coating?
- No, the construction is specifically designed to keep low notes focused and tight. The coating is thin enough that it does not significantly dampen the vibration of the heavier strings.
- What is the typical price for a set of these strings?
- These are premium bass strings with a typical retail price point around GBP 59. This reflects the advanced materials and the longevity provided by the XS coating technology.
- Can these strings be used for multiple genres?
- Yes, their balanced tone and punchy response make them suitable for a wide range of styles. The combination of clarity on the high end and tightness on the low end works for rock, funk, and jazz.
- How does D'Addario ensure tuning stability in this set?
- Tuning stability is primarily managed by the NY High Carbon Steel core. This core material resists stretching and slipping, allowing the strings to reach pitch quickly and stay there during performance.
- How do these compare to D'Addario's other products like Zyex or Helicore?
- While Zyex and Helicore are specialized strings for orchestral instruments like violins or cellos, the XS series is a dedicated solution for electric bass. The XS focuses on the durability and tonal needs of modern bass guitarists.
