The Gallien-Krueger MB115-II Combo is a Gallien Krueger amplifier, currently around $899. Close alternatives include the Gallien-Krueger Legacy 115 and the Gallien-Krueger MB108. It pairs well with the Ashdown Geezer Butler Signature and the Friedman BE-OD.
Gallien-Krueger MB115-II Combo
Gallien Krueger · amplifier
The Gallien-Krueger MB115-II Combo is a 2nd-generation Micro Bass combo from Gallien-Krueger, combining MB II Class D amplification with a 1x15 bass speaker in a lightweight self-contained combo. The 15-inch speaker provides deeper, warmer bass extension than smaller speaker combos, while the MB II Class D power section keeps the weight practical. GK clarity and punch apply through the 15-inch speaker.
What stands out
“The 15-inch speaker provides deeper, warmer bass extension than smaller speaker combos, while the MB II Class D power section keeps the weight practical”
— from the listing
“GK clarity and punch apply through the 15-inch speaker”
— from the listing
“The GK MB115-II Combo is valued for combining lightweight MB II Class D power with the deeper, warmer low-end presentation of a 1x15 speaker”
— from the community notes
“Players who prefer the fuller, warmer quality of a 15-inch bass speaker over 10-inch or 12-inch configurations find the MB115-II a practical, portable combo option”
— from the community notes
“The Gallien-Krueger MB115-II Combo is a 2nd-generation Micro Bass combo from Gallien-Krueger, combining MB II Class D amplification with a 1x15 bass speaker in a lightweight self-contained combo”
— from the listing
- clarity
- punch
- low end
- warm
- practice
- warmth
- sub
- 15 inch speaker
Good for
- Live
Price updated Oct 22, 2026
Genres the Gallien-Krueger MB115-II Combo is commonly used in
- Jazz
cited
Inferred from shared tonal signals, not a stated genre tag.
Pedals that stack with the Gallien-Krueger MB115-II Combo
Ashdown Geezer Butler Signature
Ashdown
23% 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
Friedman BE-OD
Friedman
18% matchfills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (warm → bright)
Friedman BE-OD leans bright right where the warm tone needs it
Goes in front of the amp
Boss ODB-3
Boss
18% 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
TC Electronic Stereo Chorus Flanger
TC Electronic
11% 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 TC Electronic Stereo Chorus Flanger after Gallien-Krueger MB115-II Combo in the signal chain, clear of Gallien-Krueger MB115-II Combo's own gain stage
Goes in front of the amp
Boss Monte Allums Modded MT-2
Boss
8% matchfills a frequency gapFills in a frequency range the other side doesn't cover, instead of piling more onto what's already there. (warm → bright)
Gallien-Krueger MB115-II Combo leans toward transparent, and that's a real, usable character to pair with
Goes in front of the amp
Boss RV-6 Reverb
Boss
7% matchsits in the right chain slotPlaced for where it does its job cleanly in the chain, not for a tonal interaction with the anchor.
Put Boss RV-6 Reverb in Gallien-Krueger MB115-II Combo's effects loop, clear of Gallien-Krueger MB115-II 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
Strymon blueSky Reverberator
pedal
7% 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 Strymon blueSky Reverberator in Gallien-Krueger MB115-II Combo's effects loop, clear of Gallien-Krueger MB115-II 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
Tone City Dry Martini is voiced for a clean amp's front end — Gallien-Krueger MB115-II Combo gives it exactly that
Cheaper alternatives
Boutique & premium upgrades
Similar charactersee all similar tone character →
Gallien-Krueger Legacy 115
Gallien Krueger
65% similarityShared character: punch, warm, clarity
Gallien-Krueger MB108
Gallien Krueger
60% similarityShared character: punch, practice
Aguilar AG700 V2
Aguilar
43% similarityShared character: punch, clarity
Ampeg BA- 115 V2
Ampeg
41% similarityShared character: punch, practice, warm
Hiwatt HB210HN
Hiwatt
40% similarityShared character: punch
Gallien-Krueger Legacy 410
Gallien Krueger
91% similaritysimilar tone character
See all alternatives to the Gallien-Krueger MB115-II Combo (cheaper + boutique) →
Questions people ask
What are good alternatives to the Gallien-Krueger MB115-II Combo?+
The closest matches in character are the Gallien-Krueger Legacy 115, the Gallien-Krueger MB108, the Aguilar AG700 V2. Budget picks: Hartke Lightweight Bass Amplifier, Blackstar BASSU120 Unity 120-Watt Bass Amplifier. Boutique upgrades: Gallien-Krueger MB212-II, Gallien-Krueger Legacy 212.
What pairs well with the Gallien-Krueger MB115-II Combo?+
Strong matches from rig and tone-complementarity evidence: Ashdown Geezer Butler Signature, Friedman BE-OD, 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 MB115-II Combo cost?+
Around $899 (live listing price, updated Oct 22, 2026).
Compare
- vs Gallien-Krueger Legacy 410
- vs Gallien-Krueger MB-210 II Bass combo 350 watts
- vs Gallien-Krueger Legacy 212