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Markbass MB7 Booster 7-Band Bass Graphic EQ

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The MB7 Booster pedal has a handy compact design and combines a useful clean boost (perfect for helping you stand out when taking a solo) with a 7-ba...Click To Read More About This Product

Available 05-07-2018

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A compact boost with plenty of EQ to get your sound just right.

The MB7 Booster pedal has a handy compact design and combines a useful clean boost (perfect for helping you stand out when taking a solo) with a 7-band graphic EQ (to tailor your bass tone just the way you want it)!

Input: mono 1/4" jack
Input impedance: 1 Mohm/6Vpp
Output: mono 1/4" jack
Output impedance: 470 ohm/6Vpp
Boost Gain level: from 0 to +20 dB
7-band graphic EQ (+/- 16dB): 40, 80, 250, 400, 1200, 2000, 4000 Hz
Power requirements: DC Input +9/+12VDC or standard 9V battery

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Review Snapshot

by PowerReviews
MarkbassMB7 Booster 7-Band Bass Graphic EQ

(based on 2 reviews)

Ratings Distribution

  • 5 Stars



  • 4 Stars



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  • 1 Stars



Reviewed by 2 customers

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(3 of 3 customers found this review helpful)


Absolutely fantastic EQ pedal, PUT IT IN THE LOOP!

By T. Slice

from South Carolina

About Me Experienced

See all my reviews

Verified Reviewer


  • Excellent Sound Quality
  • Responsive
  • Versatile


    Best Uses

    • Amateur Recording
    • Events
    • Home Studio
    • Performances
    • Professional Recording

    Comments about Markbass MB7 Booster 7-Band Bass Graphic EQ:

    This pedal is a great EQ. Not much to say about an EQ pedal with sliders, the functionality speaks for itself. The given bands work well for both bass AND guitar, which is a plus. Built extremely well, like all Markbass products.

    I have two minor caveats: One, there's no overall volume. If you use it to boost your mids like I do, there's no overall volume to pull back to unity gain. Definitely not a deal-breaker, just turn your amp down slightly. Two, like most EQ pedals, this thing belongs IN YOUR FX LOOP. If you put in front of your amp, it WILL introduce noise into your sound. Again, this is very common in EQ pedals. I put in front of my Gallien Krueger and thought about returning it due to noise. Then I put in the loop, and........silence. Glorious silence, apart from my wonderfully EQ'd tone. It now just hangs out on top of my head, with two patch cables connecting it to the Send and Return. It makes my tone so good, I just leave it on. The boost works very well, I just don't need it. So you know, the boost ONLY boosts: the boost slider all the way down is unity volume.

    Bottom line, extremely well-constructed EQ, the 7 bands work well for bass and guitar, and it's whisper quiet if you put in the loop (like you're supposed to with EQ pedals). Buy with confidence unless your amp doesn't have a loop!


    Great Bass Equalizer with Lots of Boost

    By JR Bass

    from St Louis MO

    About Me Professional Musician

    Verified Buyer


    • Excellent Sound Quality


      Best Uses

      • Performances

      Comments about Markbass MB7 Booster 7-Band Bass Graphic EQ:

      Love the volume clean boost which is adjustable and can be switched on/off. The adjustable boost/cut equalizer can be switched on off. Is powered by either included 9 volt battery or not included adapter. LED lights make it a little easier to see slider settings in low light.

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