Martin Strings Other MA540 Authentic SP Phosphor Bronze Light Gauge Acoustic Guitar Strings (41Y18MA540) carries a price of $5.77 — 95% below the Musical Instruments category's average of $114.00 (ASIN B07GTCQJMP).
- Brand: Martin Strings
- Category: Musical Instruments
- Price: $5.77
- Rating: 4.7★ (42)
- ASIN: B07GTCQJMP
- Best for: custom guitar
- Updated: Jul 25, 2026
Other MA540 Authentic SP Phosphor Bronze Light Gauge Acoustic Guitar Strings (41Y18MA540)
Brand: Martin Strings
Perfect For
Market Intelligence
This product is indexed for the keyword “custom guitar”. Search intent is commercial investigation: users are actively comparing products before a purchase decision. Sellers ranking here benefit from high consideration-stage traffic.
Product Specifications
- PROFESSIONAL GUITAR STRINGS: Discover your guitar’s true voice. These strings are designed with higher tensile strength and tin-plated core wire to enable a full and balanced tone, a quicker response, and an increased tuning stability. They’re available in extra light, custom light, light, and medium gauges.
- HIGH-QUALITY DESIGN: Made from 92/8 phosphor bronze, these acoustic strings feature top-quality bronzed-steel core wire and bronze wrap wire. They provide a well-rounded sound that is clean and balanced, making them suitable for a wide variety of music styles.
- SUPERIOR PERFORMANCE: Best for rigorous practice and performance, our phosphor bronze strings can be used for fingerpicking and flat-picking. If you have finger fatigue after playing or wish bending notes was easier, try a lighter string gauge.
- VERSATILE STRINGS: String gauge is an important part of getting the best sound out of your guitar. We recommend using only our extra-light through medium-gauge strings on our guitars. Medium-gauge strings deliver more volume and are perfect for larger-bodied guitars.
- THE TONE YOU DESERVE: For every handmade element we craft, we never forget why we do it: to help you set your creativity free. You’ll find a wide range of Martin strings that fit your instrument and playing style. Enjoy incredible tone, no matter what you play.
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Reference rates as of Jul 19, 2026, based on Amazon's published 2026 US referral-fee and FBA-fulfillment-fee schedule. Amazon updates fees periodically — verify current rates at Seller Central before making pricing decisions.
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Price & Best Seller Rank History
Squatio's own tracking for this listing, recorded since May 15, 2026. Only dates where a value actually changed are listed.
Price history
▼ 27.8% lower than the oldest price we recorded ($7.99)
| Date | Price |
|---|---|
| Jun 19, 2026 | $5.77 |
| May 15, 2026 | $7.99 |
2 price changes recorded.
Best Seller Rank history
| Date | Rank |
|---|---|
| May 15, 2026 | #300 |
Rank has not changed since tracking began. Lower is better. Amazon reports this rank within Instrument Accessories > Guitar & Bass Accessories > Strings > Acoustic Guitar Strings.
Last checked Aug 23, 2026 2:25am
Frequently Asked Questions
Common questions about Other MA540 Authentic SP Phosphor Bronze Light Gauge Acoustic Guitar Strings (41Y18MA540)
Other MA540 Authentic SP Phosphor Bronze Light Gauge Acoustic Guitar Strings (41Y18MA540) by Martin Strings is available on Amazon at an approximate price of $5.77. You can also compare prices across other retail platforms. Squatio tracks this listing in real time — sign up to see live pricing history and BSR fluctuations.
Based on 42 verified Amazon reviews, Other MA540 Authentic SP Phosphor Bronze Light Gauge Acoustic Guitar Strings (41Y18MA540) has an excellent average rating of 4.7 out of 5 stars. Products with this level of review depth generally indicate reliable real-world performance. Squatio's full analytics dashboard lets you dig into review trends, return rates, and competitor comparisons.
The primary tracked keyword for this listing is “custom guitar”. Squatio's keyword intelligence tool surfaces related and long-tail variants, allowing sellers to target lower-competition terms with high buyer intent.
Squatio's research database tracks Martin Strings listings and competing products across the entire Musical Instruments category on Amazon. Full access lets you compare BSR rankings, pricing trends, review velocity, and keyword overlap to identify exactly where Other MA540 Authentic SP Phosphor Bronze Light Gauge Acoustic Guitar Strings (41Y18MA540) sits within the competitive landscape.
According to the Amazon listing, Other MA540 Authentic SP Phosphor Bronze Light Gauge Acoustic Guitar Strings (41Y18MA540) includes PROFESSIONAL GUITAR STRINGS: Discover your guitar’s true voice. These strings are designed with higher tensile strength and tin-plated core wire to enable a full and balanced tone, a quicker response, and an increased tuning stability. They’re available in extra light, custom light, light, and medium gauges., HIGH-QUALITY DESIGN: Made from 92/8 phosphor bronze, these acoustic strings feature top-quality bronzed-steel core wire and bronze wrap wire. They provide a well-rounded sound that is clean and balanced, making them suitable for a wide variety of music styles., and 3 additional specification items. See the Product Specifications section above for the full list.
The Amazon Standard Identification Number (ASIN) for this product is B07GTCQJMP. You can use this ASIN with Squatio's ASIN Lookup tool to access full sales data, keyword rankings, and competitor pricing history.
Squatio is an Amazon product research platform that tracks pricing trends, Best Seller Rank (BSR), estimated monthly search volume, keyword intent, and competitive data across millions of listings. For products like Other MA540 Authentic SP Phosphor Bronze Light Gauge Acoustic Guitar Strings (41Y18MA540), Squatio gives sellers the intelligence to identify market timing, set competitive prices, and discover keyword gaps before competitors do.
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