Fishman Prefix Pro Onboard Preamp, With Narrow Pickup

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  • Fishman Prefix Pro Onboard Preamp
  • Narrow Pickup 3/32" (2.3mm) Width
  • Perfect For Slim Bodied Guitars
  • Feedback Fighting Notch & Phase
  • Brilliance Slider

Fishman Prefix Pro Onboard Preamp, With Narrow Pickup


The Prefix Pro has features similar to Fishman's Prefix Plus series but in a smaller case that occupies 1/3 less space on the guitar. This makes it especially ideal for smaller or slim bodies acoustics.

Product Ref: 31463

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Full Description

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The Prefix Pro Preamp has all the key controls within easy reach. Boost the Bass to add depth and weight to your guitar sound or use the Middle knob to create a smooth scooped out or bite to the sound. Boost the treble to cut through the mix or cut it to mellow and subdue the sound. The Brilliance slider can add shimmer and sparkle to your sound or reduce finger noise and fret buzz. The Notch filter can also remove low-end feedback.

For more information on the Fishman Prefix Pro Onboard Preamp please download the user guide below.

To read more on the installation of the Fishman Prefix Pro Onboard Preamp take a look at the installation guide and template below.


  • Designed for slim-bodied acoustic-electrics - 2" x 3" (50mm x 76mm) bezel occupies 1/3 less space than standard Prefix models
  • Volume control as well as bass and treble controls
  • Feedback-fighting notch filter and phase switch
  • Brilliance slider
  • Revolutionary pivot design for instant 9V battery access
  • System includes an Acoustic Matrix Undersaddle Pickup and Switchjack Stereo Endpin Jack
  • Narrow Pickup Format
  • Professional installation recommended

  • Dimensions: 2" (50mm) W x 3" (76mm) H
  • Narrow Format: 3/32" (2.3mm) width
  • Battery: 9-Volt
  • Battery Life: 160 hours