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Marshall MB

Marshall MB30

User reviews on Marshall MB products

Great value for a practice amp (Marshall - MB15)

By Mythrandir1, 04/04/2015
Mainly being a guitarist, I decided two years ago to explore the Bass guitar and maybe even improve my guitar rhythm playing by doing so, therefore I got myself a bass guitar, did research for a bass amp for practicing in my apartment and I found this little guy.

The MB15 is a versatile solid state amp, well worth the money. When looking at this product, don't try to look at it by comparing it to tube amps, or larger solid state amps. This amp is made for practicing alone at home, without making the neighbors call the police.
If you want to practice with your band or be able to play at small gigs, the MB15 isn't powerful enough, the drums will drown your sound and you won't be able to make yourself heard. If band practice is what you are looking for, then maybe a slightly more powerful amp would suit you such as the MB30.


The MB15 is a 15 Watt amp with a switch for two distinct styles Modern and Classic.
The modern channel has its own control knobs for volume and compression, giving you the ability to get a better low-end sound, while the classic channel has knobs to control gain and volume.
The bass is equipped with 3 band equalizer (bass, voice, treble) to further adjust your tone for every music style.
Personally I prefer the modern channel, you can get a better overall sound for every music style, I find the classic channel rather bad because the low end of sound is somewhat... lacking, or not pronounced enough. For this reason alone I gave it a 4 star rating.
A bonus with this amp is that it has an auxiliary jack so you can plug in a CD-player (do these still exist?) MP3 player or any laptop or PC so you can play along with your favorite songs.


You can shape the sound pretty well, I had no need to use any pedals, nor did I try to use any effect pedals with it. The settings it comes with, gives you the possibility to play bass for any kind of music style, anywhere from Jazz to Metal.
It is worth mentioning that the amp is terrible at close to maximum volume. The sound becomes heavily distorted, making the speaker rattle and create very unpleasant sounds. This didn't affect my rating however, because I used it at bellow medium volumes since I live in an apartment, so I had no use for max volume.

Overall Impression

The MB15 is a practice amp and nothing more. It offers you plenty of options for its price and its a great start when going on a venture to learn to play the bass.
The issues it has shouldn't affect you, unless you want to play at maximum volume, in which case the amp is pretty bad. At low volume it sounds clean with a highly customizable tone.

I recommend this amp ONLY for practicing alone. It is not enough for full band practice or gigs.


Mixed (Marshall - MBC115)

By Xavy, 14/11/2013
I bought this speaker to play with MB450H head as it is supposed to be done to go with.

I played it at home in my apartment, and repeated in concert with all kinds of volumes.


This is a 1x15 was especially severe and round to render frequency. Like its brother the 4x10 was something too round, too sweet and downright wet when you play, feel like the bass full of tallow and we will stick hands.

Dynamic level it does the job.


I used it for 2 years.

I've never tried other 1x15, so I find it hard to give me a concrete opinion on the matter.

I do not like much with this cabinet, I should never have to buy it.
With experience I will buy something else, and I especially try before!

Cardboard too round (Marshall - MBC410)

By Xavy, 14/11/2013
I bought this cabinet to go with MB450H head, because it's the same series that is supposed to be designed to go with.

I'm used to play in my apartment, in rehearsal, in concert, to all sorts of possible volumes.


The frequency curve is far from neutral, even with the tweeter is very round, soft and very cozy, almost wet, it gave me the impression that HP was wet (as if I had my hands full tallow and it stuck to the bottom, yuck).

Otherwise dynamic level is the only point on which he did the job.


I used it for 2 years.

I have not tried other model before buying.

I did not really like much with the baffle in the heavier it is.

For value for money, in a kilo Ferailleur, it must do so, basically, it's not a bomb and it does not really is very expensive, so it was worth the money.

With experience, I would take anything else, I played the head of a 4x12 guitar of the same brand, the result is clear that 4x10 crashed! Definitely not something else!

Good product to get familiar with the amplification of low (Marshall - MB450H)

By Xavy, 14/11/2013
A bass amp, dual channel, with a channel while transistors and hybrid channel (12AX7 preamp).

6.3 Input Jack

Power 450W

An independent channel equalization, a compressor on the first channel, the possibility of "mixing" the two channels by selecting the% of each channel present.


Setup is simple, provided we know how to use an amp with basic features.

The manual is clear, it even offers settings "type" to get an idea of ​​how a particular sound equalization.

It is easy to get a good sound, and even easier bad (a wide range of EQ the amp gives things absolutely unusable). Otherwise it does the job.


To play rock, punk, funk, reggae, it does so with a credible sound. Should not seek to excel in a style that colorise based equalization, but it does not work very very authentic, just a first approach.

Sound level, can potentially do, but not at the top. Many EQ give poor and unusable results. When you plug you have to fight a bit with the eq to make it sound.

I played with a bass yamaha (the € 100) and a Rickenbacker on end. One like the other sound card in it.
I had the 4x10 and 1x15 of the same series to put underneath.

I neither love nor hate any sound above (apart from eqs rotten), it is a good amp to get out and find what you're looking a little like her.


I used it for 2 years.

I did not try any other models before buying it, I wanted something with a versatile EQ that can work properly and my budget allowed.

I liked both and I hated equalization or had something right or it was rotten, either one or the other, no half measures.

To make by hand, it is a bit pricey, but it was all due to play group or elsewhere power cabling options allow many things (including out on a table when you have no place of put three bodies in a small bar). I will not repeat that choice with the experience, I will direct a tube amp (Ampeg or orange kind), but that's with the experience to be discovered.

News Marshall MB

Marshall's Latest MB Models

Published on 03/17/09
Marshall Amplification is now shipping its entire range of MB Series bass amplifiers, including eight featured models — four combos, one head and three extension cabinets.

[NAMM] New Marshall MB Shipping

Published on 01/16/09