Amumu SP31 is a passive, noiseless, neodymium magnetic soundhole pickup that delivers a clear and bright acoustic sound that is great for all types of acoustic playing. Note this pickup is only for steel-string acoustic guitar, not for nylon-string acoustic guitar.


Pickup Theory Cutting Magnetic Lines
Pickup Type Single Coil Passive②
Housing Solid Beech Wood
Connection Method 1/4" (6.35mm) female bronze jack
Applicable Soundhole Diameters 3.82" to 4.33" (97~110mm)

① Note this is a magnetic pickup, only work to steel-string acoustic guitars, nylon-string guitars can't work.

The single-coil pickup by its nature is susceptible to 50 – 60Hz hum. To minimize hum, keep the pickup away from fluorescence lights, dimmer packs, computer monitors and transformers.



  • Take out the pickup.
  • Remove the strings.
  • Remove the strap button, insert the strap jack in the drilling hole, thread and hand tighten the strap button.
  • Slide the cable onto the cable holders (included), remove the adhesive backing and then place them as needed to prevent the cable from banging around on the guitar.
  • Slip the pickup into the soundhole from the high E string side.
  • Compress the foam on the pickup to connect with the soundhole edge.
  • Push up the pickup, parallel to and as close to the end of the fingerboard as possible.
  • Plug your instrument cable (not included) into the female jack and your amplifier system.



  • 1x Soundhole Pickup
  • 1x Spare Rubber Foam Set
  • 3x Cable Holders
  • 1x Owner's Manual
  • Amumu SP31 Passive Neodymium Magnetic Soundhole Pickup for Acoustic Guitar

    SKU: SP31
    Vendor: Amumu
    • Single Coil with Handwound Oxygen-free Copper wrapped around a Neodymium Rare Earth Magnet.
    • Solid beech wood housing for better transmission of acoustic vibrations
    • Super string balance and Pure acoustic clarity, High impedance passive design, no battery required
    • Output with 1/4" female bronze jack assembly
    • Fit for steel-string acoustic guitars with 3.82" to 4.33" diameter sound hole



    $39.99 $59.99