The Blackstar Unity Bass U250 is a Blackstar amplifier, currently around $527.41. Close alternatives include the Blackstar 700H and the EBS Classic 450. It pairs well with the Fulltone OCD Obsessive Compulsive Drive and the Electro-Harmonix Triangle Big Muff Pi.
Blackstar Unity Bass U250
Blackstar · amplifier
The Blackstar Unity Bass U250 is a 250-watt solid-state bass combo amplifier housing a custom Eminence Opus 15-inch speaker in a closed-back cabinet. Three preamp voicings — Classic, Modern, and Flat — cover warm vintage tones through clean, high-headroom transparency. A Response control selects between Linear, 6L6, and 6550 power amp character simulations. Built-in effects include chorus, octaver, and compression alongside a 3-band EQ with a semi-parametric midrange band. XLR and quarter-inch line outputs allow direct connection to a PA or recording interface.
- compression
- modern
- xlr
- upper mid
- direct recording
- vintage
- headroom
- articulation
Good for
- Live
- Silent Recording
Price updated Aug 27, 2026
Genres the Blackstar Unity Bass U250 is commonly used in
- Blues
- Folk
cited
Inferred from shared tonal signals, not a stated genre tag. - Acoustic
cited
Inferred from shared tonal signals, not a stated genre tag. - Alternative
cited
Inferred from shared tonal signals, not a stated genre tag. - Rock
cited
Inferred from shared tonal signals, not a stated genre tag. - Jazz
cited
Inferred from shared tonal signals, not a stated genre tag.
Pedals that stack with the Blackstar Unity Bass U250
Fulltone OCD Obsessive Compulsive Drive
Fulltone
20% matchFulltone OCD Obsessive Compulsive Drive stacks fuzzy on top of the mid-forward already here
Electro-Harmonix Triangle Big Muff Pi
Electro-Harmonix
19% matchElectro-Harmonix Triangle Big Muff Pi's own sustaining character is the real reason this is worth trying
Wren and Cuff Box of War OG
Wren And Cuff
19% matchRun mid-forward into Wren and Cuff Box of War OG for more fuzzy on top
Fuzzrocious Cosmic Bull Shark
Fuzzrocious
11% matchPut Fuzzrocious Cosmic Bull Shark after Blackstar Unity Bass U250 in the signal chain, clear of Blackstar Unity Bass U250's own gain stage
Wren and Cuff Gold Comp
Wren And Cuff
8% matchWren and Cuff Gold Comp's own germanium character is the real reason this is worth trying
Fjord Fuzz Mime
Fjord Fuzz
6% matchKeep Blackstar Unity Bass U250's compressed voice out front: Fjord Fuzz Mime goes in Blackstar Unity Bass U250's effects loop so its dark voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)
Strymon El Capistan
Strymon
6% matchRun Strymon El Capistan in Blackstar Unity Bass U250's effects loop, clear of Blackstar Unity Bass U250's own gain stage — goes in the amp's FX loop (or last, into a clean amp)
Electro-Harmonix EH-1335/EH-3075 Hot Tubes
Electro-Harmonix
tonal matchInto Blackstar Unity Bass U250, Electro-Harmonix EH-1335/EH-3075 Hot Tubes is right at home: it's built around a clean amp's front end
Cheaper alternatives
Boutique & premium upgrades
Similar charactersee all similar tone character →
Blackstar 700H
Blackstar
94% similaritysimilar tone character
EBS Classic 450
Ebs
94% similaritysimilar tone character
Blackstar BASSU120 Unity 120-Watt Bass Amplifier
Blackstar
94% similaritysimilar tone character
Phil Jones BP-800 Bass Pulse 800W Head
Phil Jones
94% similaritysimilar tone character
Blackstar Unity 250
Blackstar
93% similaritysimilar tone character
See all alternatives to the Blackstar Unity Bass U250 (cheaper + boutique) →
Questions people ask
What are good alternatives to the Blackstar Unity Bass U250?+
The closest matches in character are the Blackstar 700H, the EBS Classic 450, the Blackstar BASSU120 Unity 120-Watt Bass Amplifier. Budget picks: Blackstar Unity 120, Laney RB3 Richter Bass Amp, Blackstar Unity Bass U30. Boutique upgrades: Blackstar Unity Bass U500, Blackstar Unity 500.
What pairs well with the Blackstar Unity Bass U250?+
Strong matches from rig and tone-complementarity evidence: Fulltone OCD Obsessive Compulsive Drive, Electro-Harmonix Triangle Big Muff Pi, Wren and Cuff Box of War OG — Fulltone OCD Obsessive Compulsive Drive stacks fuzzy on top of the mid-forward already here.
How much does the Blackstar Unity Bass U250 cost?+
Around $527.41 (live listing price, updated Aug 27, 2026).