The Martin Thinline Active Jack is a miniature onboard preamp built into an oversize acoustic guitar endpin. The Active Jack will give active performance to your existing Thinline 332 pickup - or any piezo or magnetic pickup - without additional modification. State-of-the-art cir… $39.99
The second-generation Martin Thinline 332 Acoustic Guitar Pickup maintains the structural integrity of your guitar. Provides warmer, better-balanced amplification without distorting the acoustic sound. Virtually eliminates resonant feedback. $59.99
This patented design solves the age-old problems of string balance, string spacing and wire-hole placement. The short distance from the under saddle pickup to its internally mounted preamp maintains signal integrity. The preamp captures the voices of a wide variety of guitars, an… $119.99
The patented design of the Martin Thinline Goldplus Acoustic Pickup System solved the age-old problems of string balance, string spacing and wire-hole placement, making it applicable to all guitars. Martin uses a highly sensitive copolymer specifically formulated for guitars for … $119.99
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