SKU: 71615947645
fet boost pedal

fet boost pedal AMP MODE BOOST – Jackson Audio

Sale price$25.20 Regular price$28.00
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Description

fet boost pedal AMP MODE BOOST – Jackson AudioAMP MODE OVERVIEW The AMP MODE circuit is based on a MOSFET transistor which is a very popular type of transistor to use for boost circuits because it has many amp like characteristics when it clips etc. There can be downsides to this circuit though. Several very popular MOSFET boost circuits on the market have a very noticeable crackle when their boost knobs are rotated. We fixed this issue in the AMP MODE so it is perfectly silent when the boost



AMP MODE OVERVIEW

The AMP MODE circuit is based on a MOSFET transistor which is a very popular type of transistor to use for boost circuits because it has many “amp like” characteristics when it clips etc. There can be downsides to this circuit though.

Several very popular MOSFET boost circuits on the market have a very noticeable crackle when their boost knobs are rotated. We fixed this issue in the AMP MODE so it is perfectly silent when the boost knob is rotated and delivers nothing but a crushingly loud and harmonically rich boost!

Use the AMP MODE as a preamp for your overall signal, a boost to push an overdrive pedal even further into saturation, or as a post overdrive boost to clarify and push your guitar forward in the mix! The AMP MODE features 9-18V operation, true bypass switching and a tiny footprint featuring top mounted jacks!

TONE TIP!

"One of the most powerful things about the AMP MODE is how well it stacks with other pedals as well as it self! For years I have run two MOSFET boosts on my pedalboard with a Klon in between them. I used one of the boosts as an always on boost, and added a second boost when I wanted an overdriven rhythm tone. Finally when I wanted a saturated lead tone I would kick on the Klon and the two boosts along with the Klon would give me a super articulate and saturated lead tone." - Brad Jackson 






BOOST CONTROL

The single boost control sets the overall boost for the AMP MODE. The AMP MODE is a true boost in that when the boost control is fully counter-clockwise, it doesn't boost your signal, it instead acts as a unity gain buffer that emboldens your guitars signal to prevent against tonal loss when drive long cables etc.

DC INPUT

The AMP MODE can safely run from 9V-18V DC (center negative). Running it at 18V will give increased headroom and dynamic response. Do NOT exceed 18V!


     






    BYPASS SWITCH

    The BYPASS SWITCH is a mechanical true bypass switch. 

    TECHNICAL SPECS

    • Input Impedance: 1M
    • Output Impedance: 100k
    • Max. Current Consumption: 10mA
    • Dimensions: 1.8” x 4″






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      SKU: 71615947645

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      4.8 ★★★★★
      Based on 21 reviews
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      498pgadi
      Battle Creek, US
      ★★★★★ 4
      Decent product. Fits perfectly for 61/64 keys. Just slightly short for 68.
      The finish seems fine for the piece I received. Didn't get any splinters or rough edges. Treated it with mineral oil overnight, it now touches and smells great. Just slightly too short for 68 layout but really can't complain for the price. Wish they offer more width options for TKL and full size as well.
      WAS THIS REVIEW HELPFUL?YesReportShare
      Reviewed in the United States on January 13, 2022
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      Verified Purchase
      John Choi
      Bozeman, US
      ★★★★★ 5
      Worth it.
      Color: Black Walnut
      Looks nice. Very solid. Gets the job done.
      WAS THIS REVIEW HELPFUL?YesReportShare
      Reviewed in the United States on November 10, 2025
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      Verified Purchase
      To Buy or Not to Buy
      Pawtucket, US
      ★★★★★ 1
      Warped Wood
      Color: Black Walnut
      I know it's inexpensive, but regardless of the price of an item, it should do what it's meant to do somewhat effectively. The wood was warped and did not sit flat on my desk.
      WAS THIS REVIEW HELPFUL?YesReportShare
      Reviewed in the United States on April 22, 2025
      A
      Verified Purchase
      Alexander R. H. Latouf
      Louisville, US
      ★★★★★ 3
      Great wrist rest, advertised dimensions slightly inaccurate.
      Color: Black Walnut
      Perhaps this is nitpicky but I purchased this wrist rest because it was perfectly sized to my keyboard at 29cm wide. It got here, and it's a fine wrist rest in terms of quality, material and feel, but it's not 29cm wide, it's 30.5cm wide. The other dimensions are accurate enough - both only .1mm off, but the mismatched width against my keyboard is enough for me to notice it and obsess over it. If that doesn't bother you, I say go for it. At $15 it's a good deal.
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      Reviewed in the United States on May 30, 2026
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      Verified Purchase
      Amazon Customer
      Phoenix, US
      ★★★★★ 5
      Long lasting
      Color: Black Walnut
      I’ve had this for two years and it still looks brand new after every day use. Love it.
      WAS THIS REVIEW HELPFUL?YesReportShare
      Reviewed in the United States on January 21, 2026

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