The Gallien-Krueger Kruger GK MB 108 Bass Combo is a Gallien Krueger amplifier, currently around $399. Close alternatives include the Gallien-Krueger MB 112 II Combo and the Gallien-Krueger GK Legacy 2x10 Combo Bass Amp. It pairs well with the Ashdown Geezer Butler Signature and the Marshall Guv'nor.
Gallien-Krueger Kruger GK MB 108 Bass Combo
Gallien Krueger · amplifier
The Gallien-Krueger MB 108 is a compact entry-level bass combo from the GK Micro Bass (MB) series, combining a small digital bass amp with an 8-inch speaker in an ultra-portable self-contained combo. The MB series is GK lightest, most compact bass amplification line — designed for practice, casual performance, and situations where portability is the top priority. The 8-inch speaker and small power output limit the MB 108 to home practice and very small performance contexts.
What stands out
“The 8-inch speaker and — this is explicitly a home practice and small-room instrument”
— from the community notes
“The Gallien-Krueger MB 108 is a compact entry-level bass combo from the GK Micro Bass (MB) series, combining a small digital bass amp with an 8-inch speaker in an ultra-portable self-contained combo”
— from the listing
“The 8-inch speaker and small power output limit the MB 108 to home practice and very small performance contexts”
— from the listing
“GK clarity and punch translate to practice volume in a format that fits in a backpack”
— from the reviews
“The GK MB 108 is chosen by bass players who want GK tone character in the smallest, most portable possible bass combo format”
— from the community notes
Trade-offs
“The MB 108 is for rehearsal or stage”
— from the reviews
- practice
- clarity
- punch
- gk tone character
- gk tonal character
- bass
- gk tone
- bedroom
Good for
- Practice
Price updated Oct 22, 2026
Pedals that stack with the Gallien-Krueger Kruger GK MB 108 Bass Combo
Ashdown Geezer Butler Signature
Ashdown
26% matchclean platform takes the driveA clean, high-headroom stage takes on dirt it can't generate by itself. (transparent → low gain)
Ashdown Geezer Butler Signature leans this transparent tone toward low gain, which it doesn't make on its own
Goes in front of the amp
Marshall Guv'nor
Marshall
25% matchfills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (transparent → mid-forward)
Into a transparent tone, Marshall Guv'nor brings a pull toward mid-forward that's missing
Goes in front of the amp
Boss ODB-3
Boss
25% matchclean platform takes the driveA clean, high-headroom stage takes on dirt it can't generate by itself. (transparent → low gain)
Boss ODB-3 leans this transparent tone toward low gain, which it doesn't make on its own
Goes in front of the amp
EarthQuaker Devices Grand Orbiter V3
EarthQuaker Devices
14% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Run EarthQuaker Devices Grand Orbiter V3 after Gallien-Krueger Kruger GK MB 108 Bass Combo in the signal chain, clear of Gallien-Krueger Kruger GK MB 108 Bass Combo's own gain stage
Goes in front of the amp
Vox Valvenergy Silk Drive
Vox
10% matchshapes the dynamic responseShapes how the tone responds to picking dynamics rather than its frequency or gain.
What Vox Valvenergy Silk Drive brings here leans toward smooth — that's worth building a pairing around
Goes in front of the amp
Boss RV-5 Digital Reverb
pedal
8% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Keep Gallien-Krueger Kruger GK MB 108 Bass Combo's transparent voice out front: Boss RV-5 Digital Reverb goes in Gallien-Krueger Kruger GK MB 108 Bass Combo's effects loop so its spring voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)
Sits in the amp's effects loop
Malekko Electro-Harmonix Memory Toy Analog Delay
Electro-Harmonix
8% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Run Malekko Electro-Harmonix Memory Toy Analog Delay in Gallien-Krueger Kruger GK MB 108 Bass Combo's effects loop, clear of Gallien-Krueger Kruger GK MB 108 Bass Combo's own gain stage — goes in the amp's FX loop (or last, into a clean amp)
Sits in the amp's effects loop
Tone City Dry Martini
Tone City
tonal matchGoes in front of the amp
Gallien-Krueger Kruger GK MB 108 Bass Combo leans into a clean amp's front end, precisely the platform Tone City Dry Martini wants
Cheaper alternatives
Boutique & premium upgrades
Similar character
Gallien-Krueger MB 112 II Combo
Gallien Krueger
60% similarityShared character: punch, clarity, bass
Gallien-Krueger GK Legacy 2x10 Combo Bass Amp
Gallien Krueger
52% similarityShared character: punch, clarity, bass
Phil Jones BE-17
Phil Jones
44% similarityShared character: punch, practice, clarity
See all alternatives to the Gallien-Krueger Kruger GK MB 108 Bass Combo (cheaper + boutique) →
Questions people ask
What are good alternatives to the Gallien-Krueger Kruger GK MB 108 Bass Combo?+
The closest matches in character are the Gallien-Krueger MB 112 II Combo, the Gallien-Krueger GK Legacy 2x10 Combo Bass Amp, the Phil Jones BE-17. Budget picks: Blackstar Unity Bass U30, Blackstar #Bass U30. Boutique upgrades: Ampeg Rocket Bass 210.
What pairs well with the Gallien-Krueger Kruger GK MB 108 Bass Combo?+
Strong matches from rig and tone-complementarity evidence: Ashdown Geezer Butler Signature, Marshall Guv'nor, Boss ODB-3 — Ashdown Geezer Butler Signature leans this transparent tone toward low gain, which it doesn't make on its own.
How much does the Gallien-Krueger Kruger GK MB 108 Bass Combo cost?+
Around $399 (live listing price, updated Oct 22, 2026).