Designed from the ground up by bass players for bass players they are straight forward and powerful.

The new Unity Pro Bass System's deceptively simple controls allow you to quickly and easily create your tone, with rock solid bass, detailed dynamics and innovative features in a compact package with 500 Watts of power.

Blackstar's unique Response control allows the player to choose between the sound and feel of three classic power amp stages, shaping compression, natural drive and dynamics. Combined with three distinct preamp voicings and a 3-band semi-parametric EQ, Unity produces infinitely flexible bass tone and exceptional feel, whatever your playing style. The Unity 250ACT powered cabinet can be linked to any model in the line to add 250W or more of active power to your rig; taking you from the studio or rehearsal room to the gig with ease and portability. From the organic response of classic valve amps, to a transparent clean platform, Unity brings together the ultimate in bass tone.

Any Player, Any Sound

Straight forward and powerful, UNITY's deceptively simple controls allow you to quickly and easily create your tone no matter what style you play.

Choose From 3 Voices

Offering Classic, Modern and Flat voicings, Unity Bass is perfect for any playing style.

- Classic: Valve-inspired growl with Vintage EQ

- Modern: High-headroom dynamics and advance EQ

- Flat: Totally flat, clean and transparent

Unique Response Control

A unique response control with 3 power amp stages to shape compression and feel.

- Linear: Powerful and articulate - let your playing do the talking

- 6L6: Compression and punch of 6L6 power valves

- 6550: Dynamics and headroom of high power 6550's

User Controlled Overdrive

3 different overdrives with user-controllable blend.

- Overdrive: Smooth, open, harmonically-rich overdrive

- Distortion: Balanced pedal-like distortion

- Fuzz: In-your-face, full-on fuzz

Ultimate Flexibility

Enhance your sound with built in Chorus, Compressor and Octaver.

Pro Connectivity

UNITY Bass is perfect for the studio or stage with the balanced XLR, USB connectivity and more.

Extend your set up

The UNITY U250ACT 1x15" active cab adds 250 Watts of extra stage power to any UNITY combo

- 500 Watts

- Custom designed Eminence 2 x 10" Opus Speakers

- 3 Voices - Classic, Modern, Flat

- 3 Footswitchable Drives with user controllable blend - Overdrive / Distortion / Fuzz

- 3-band EQ with semi-parametric Mid

- Unique Response control - Linear, 6L6 and 6550

- Footswitchable Chorus and Sub-Octave with adjustable level control

- Compressor

- Input Gain with clip indication

- Pad Switch for active / passive instruments

- Master Volume

- Link to Unity Bass Series Active Cabinet

- USB audio out for direct recording

- Series effects loop

- MP3 / Line in n XLR + ¼" Line Out / Headphones with independent level control

- D.I. / cabinet emulated Line outputs