Martin Authentic Lifespan 2.0 Treated Phosphor Bronze Acoustic Guitar Strings

Keep your acoustic guitar sounding as pristine as possible. Martin's Lifespan 2.0 strings feature a special coating keeping them resistant to dirt and oil.
Martin’s next generation Authentic Lifespan 2.0 Treated Phosphor Bronze Acoustic Guitar Strings are engineered using a new, patented technology only available from Martin. This technology was developed to protect the core wire and the wrap wire to prevent corrosion without compromising tone – the single most important attribute of the guitar strings. Authentic Acoustic Lifespan 2.0 strings look better, sound better, and feel better, providing a smooth playing experience that reduces finger drag.

Get an overview of Martin Authentic Acoustic strings:


Martin Authentic Acoustic Lifespan 2.0 strings offer next generation treatment for long life, great playability and feel, and superior reliability with authentic tone.

92/8 Phosphor Bronze acoustic guitar strings are made with the highest quality bronzed steel core wire and phosphor bronze wrap wire.
Extra Light 6-String
- Gauge: 10-14-23-30-39-47

Custom Light 6-String
- Gauge: 11-15-23-32-42-52

Light 6-String
- Gauge: 12-16-25-32-42-54

Medium 6-String
- Gauge: 13-17-26-35-45-56
Dimensions and Weight in Packaging
Custom Light, MA535T
Shipping Weight: 0.25 lbs
Shipping Dimensions: 6 x 5 x 1 in
Manufacturer Part Number (MPN): MAT 41Y18MA535T
Extra Light, MA530T
Shipping Weight: 0.25 lbs
Shipping Dimensions: 6 x 5 x 1 in
Manufacturer Part Number (MPN): MAT 41Y18MA530T
Light, MA540T
Shipping Weight: 0.25 lbs
Shipping Dimensions: 6 x 5 x 1 in
Manufacturer Part Number (MPN): MAT 41Y18MA540T
Medium, MA550T
Shipping Weight: 0.25 lbs
Shipping Dimensions: 6 x 5 x 1 in
Manufacturer Part Number (MPN): MAT 41Y18MA550T
Light, MA540T, 3-Pack
Shipping Weight: 0.25 lbs
Shipping Dimensions: 6 x 5 x 2 in
Manufacturer Part Number (MPN): MAT 41Y18MA540TP3
Medium, MA550T, 3-Pack
Shipping Weight: 0.25 lbs
Shipping Dimensions: 6 x 5 x 2 in
Manufacturer Part Number (MPN): MAT 41Y18MA550TPK
MA535T, Custom Light, 25-Pack
Shipping Weight: 2 lbs
Shipping Dimensions: 9 x 8 x 5 in
Manufacturer Part Number (MPN): MAT BULKBOXMA535T
MA540T, Light, 25-Pack
Shipping Weight: 32 lbs
Shipping Dimensions: 9 x 8 x 6 in
Manufacturer Part Number (MPN): MAT BULKBOXMA540T
MA550T, Medium, 25-Pack
Shipping Weight: 2.25 lbs
Shipping Dimensions: 9 x 8 x 5 in
Manufacturer Part Number (MPN): MAT BULKBOXMA550T
Martin Warranty Martin Warranty Martin offers a limited lifetime warranty on all of their guitars (valid only to the original owner. Any Martin guitars sold by zZounds as "Blemished," "B-Stock," "Warehouse Resealed," or any condition other than "New" are not covered under Martin's warranty. Backpackers, Little Martins and Ukuleles are warrantied for one year. Strings are not covered under warranty. If you have additional warranty questions, please contact the manufacturer at 610-759-2837
If you have additional warranty questions, please contact the manufacturer at 610-759-2837

Martin Lifespan 2.0 Phosphor Bronze

Martin’s next generation Authentic Lifespan 2.0 Treated Phosphor Bronze Acoustic Guitar Strings are engineered using a new, patented technology only available from Martin. This technology was developed to protect the core wire and the wrap wire to prevent corrosion without compromising tone – the single most important attribute of the guitar strings. Authentic Acoustic Lifespan 2.0 strings look better, sound better, and feel better, providing a smooth playing experience that reduces finger drag.

Martin Authentic Acoustic Lifespan 2.0 strings offer next generation treatment for long life, great playability and feel, and superior reliability with authentic tone.

92/8 Phosphor Bronze acoustic guitar strings are made with the highest quality bronzed steel core wire and phosphor bronze wrap wire.

MA535T, Custom Light, 25-Pack

$224.99
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Sale: Save $3! Was $13.99, Now Only $10.99!
  • Through September 30, save $3 instantly when you buy select Martin strings at zZounds! Price shown reflects price after sale.