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Gallien-Krueger MB 108 U.L. 25-Watt 1 X 8" Bass Guitar Combo Amplifier


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  • Digital poweramp technology produces powerful 25-watt output
  • 8-inch Paragon ceramic speaker delivers tone with clarity and warmth
  • Ultra-lightweight design makes it very portable
  • Auxiliary input allows you to connect an external audio source so that you can play along to your favourite songs
  • Headphone output for silent practise so that you can maintain good relationships with the neighbours
  • Solid and durable construction means you will have a performance partner for many years to come
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Delivery & Returns

Delivery to UK mainland addresses* is FREE on orders over £75 and up to 30kg. (As a guide, a standard electric guitar weighs approx. 3-5kg).

Delivery on orders below £75 are charged at £4.45!

Delivery to Northern Ireland, the Scottish Highlands & Islands, Isle of Man, Isle of Wight, Channel Islands and the Republic of Ireland. is weight dependant and will be indicated at the checkout

Delivery above 30kg to ANY location will vary according to weight and will be indicated at the checkout

LocationPriceStandard Delivery
UK mainland*FREE on orders over £75 £4.45 on orders under £751-3 working days
Northern Ireland, Scottish Highlands & Islands Isle of Man Isle of Wight Channel Islands Republic of Ireland£12.95 – any order value up to 30kg Over 30kg - please call1-3 working days
OverseasPlease call for detailsPlease call

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The Gallien-Krueger MB 108 U.L. 25-Watt 1 X 8" Bass Guitar Combo Amplifier delivers the superb power of GK's proprietary digital circuitry through a U.S.-made Paragon 1 x 8" speaker. The lightweight yet solid construction of this incredible combo makes it perfect for a range of applications, and once you start playing, you won't want to stop.

Awesome power

The MB 108 is equipped with a powerful 25-Watt charge, with Gallien-Krueger's outstanding digital power amp built-in that generates exquisite warmth and a wide dynamic range. Thanks to the superb internal magic that goes on within the MB 108, you'll be surprised by just how loud this 25-Watt amplifier is, easily generating enough energy to make it suitable for home practise, jamming with others, and small intimate gigs. The 8" ceramic Paragon speaker translates the tone with breath-taking clarity, producing punchy low-end clout, solid mid-range articulation, and sweetly delivered harmonics.

Three-Band EQ

The MB 108 has a built-in three-band active EQ, which allows you to shape and craft your tone to suit your playing style, and allows you to adapt to any musical genre with ease. Whether you want to ramp up the low-end to create an old school rock vibe, drop out the mid-range for a tighter low and high-end response, or accentuate the mid to high range to let your slap technique sound really emphatic, it is very easy to get the tone you want.


As well as your instrument input, the MB 108 is equipped with an Auxiliary In jack, which allows you to connect an external audio source (e.g. MP3 player) so that you can practise and play along with your favourite songs. You can even use it to play backing tracks during solo gigs. The headphone output allows you to plug directly into the amplifier for silent practise, wherever you are you can play to your heart's content whilst still preserving relationships with your neighbours.


The MB 108 has been built with portability at the core, and the lightweight construction of this combo makes it a joy to carry around. However, although it may be lightweight, it is as solid as they come, so you can rest assured that it can handle the standard knocks and bumps that come with being moved around from place to place.

The Gallien-Krueger MB 108 U.L. 25-Watt 1 X 8" Bass Guitar Combo Amplifier is quite simply brilliant in every way. If you’re looking for an amplifier that you can easily move around, sounds fantastic, has excellent tonal versatility, and allows you to play along with your favourite tacks in total silence at whatever time of day you like, then it doesn’t get much better than this.

ModelMB 108 U.L. 25-Watt 1 X 8" Bass Guitar Combo Amplifier
Dimensions (H x W x D) 368.3 x 317.5 x 317.5 mm
Output Power25W
Speaker 1 x 8" Ceramic Paragon
Controls Gain
Three-Band EQ: Treble, Mid, Bass
Connectivity Instrument Input
Aux In
Headphones Output
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