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Description
bass guitar preamp pedal MXR Thump Bass Preamp Pedal w/3-Band EQMXR Thump Bass Preamp P N: M281 This pedal combines the tone sweetening magic of the Echoplex Preamp with a three band EQ and midrange frequency adjustment so that you can dial in the perfect bass tone to punch up a solo, boost your signal in a live mix, sculpt more edge into the sound of a passive bass, and more. THE LONG STORY The MXR Thump Bass Preamp is a tone sweetening, signal boosting, and altogether groove enhancing machine. This pedal was
MXR Thump Bass Preamp - P/N: M281This pedal combines the tone-sweetening magic of the Echoplex Preamp with a three-band EQ and midrange frequency adjustment so that you can dial in the perfect bass tone to punch up a solo, boost your signal in a live mix, sculpt more edge into the sound of a passive bass, and more.
THE LONG STORY
The MXR Thump Bass Preamp is a tone-sweetening, signal-boosting, and altogether groove-enhancing machine. This pedal was conceived when the MXR design team and their in-house bass players discovered that the Echoplex® Preamp’s sonic secret sauce made for just as delectable a pairing with bass as it does with guitar. Using that circuitry as a foundation, the MXR team added a simple yet potent tone-shaping interface so that you can dial in the perfect bass sound for the stage and the studio.
Crafting the sound you need is easy. The Echoplex Preamp circuit conditions your signal with a carefully balanced EQ profile, and this pedal’s tone controls let you take it from there. The Treble and Bass knobs cut or boost frequencies at 4 kHz and 40 Hz respectively, while the Mid knob cuts or boosts the midrange as set by the Frequency knob, from 250 Hz to 1 kHz. This range of frequencies was selected to give players maximum flexibility and minimal fuss when refining their bass signal.
Whether you need to punch up a solo, boost your signal in a live mix, or sculpt more edge into the sound of a passive bass, the Thump Bass Preamp packs incredible versatility into an MXR mini housing.
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4.5 ★★★★★
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Product Reviews
★★★★★ 5
Don’t Pass On This One! Get Every Color!
Color: Black, Size: X-Large, Color: Black, Size: X-Large
I always brace myself when purchasing clothing off the internet because size recommendations don’t always hold true. I’m glad I flowed my mind and bought an XL instead of the recommended XXL. It fits perfectly. The quality was better than I expected and the neckline was a perfect height and the size was just right (my neck is a 19”). The cost was better than what’s offered in stores. The stretch material adds to the comfort and it’s lightweight; which makes it perfect for those that are hot alot…like me. (I’m 5’10”/ 260lbs / usually a XXL)
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Reviewed in the United States on January 27, 2026
★★★★★ 3
Too short on length on the 4XL
Color: White, Size: 4X-Large
I give it only 3 star as the 4 xxxxl are too short on length. Too bad as i was ready to order more but returning it.
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Reviewed in the United States on May 20, 2026
★★★★★ 5
Very Comfortable
Color: Navy Blue, Size: Large
Great shirt. Very comfortable
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Reviewed in the United States on May 30, 2026
★★★★★ 5
Buy..good item
Size: XX-Large, Color: Black, White, Blue
These I liked. T-shirt material but with the mock turtle neck collar. Light and airy. Going to buy more.
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Reviewed in the United States on June 2, 2026
★★★★★ 5
Fits great wear good 😊
Size: Large, Color: Black, White, Apricot
Good shirts
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Reviewed in the United States on February 13, 2026