The Martin Gold Plus VTI acoustic guitar pickup system ensures your instrument sounds as detailed, warm, and clear to your audience as it does when it's just you and your guitar. And if you're a fan of Fishman's original flagship Matrix system you'll love the shared design elements that blend the know how of acoustic giants Martin & Co. and Fishman. When it's time to take your music to the people, make sure you gift them the best guitar sound you can, with the Martin Gold Plus VTI. Martin Thinline Gold Plus VTI Acoustic-electric Guitar Pickup System at a Glance: For those who loved the original Fishman Matrix Low profile design keeps the look of your instrument Discreet tonal control For those who loved the original Fishman Matrix When you mix two of the strongest names in the acoustic guitar industry, you're bound to come up with a highly-desirable product.