Everything from valve grind to high-headroom clean
Whatever sound is in your head, you can coax it from the Unity Bass U30. It all starts with three distinct preamp voicings: Classic, Modern, and Overdrive. Beyond that, a 3-band EQ with a semi-parametric Mid knob supplies you with plenty of sound-sculpting power. Need more punch and depth? No problem. The U30 features built-in compression and chorus effects.

Loaded with useful features for stage and studio
The Blackstar Unity Bass U30 is packed to the gills with useful features. Connectivity abounds, with an XLR + 1/4″ line output with independent level control. A -10dB pad accommodates both active and passive instruments. And an MP3/line input is onboard to supercharge your practice sessions.
Blackstar Unity Bass U30 Combo Amplifier Features:
- 30-watt, 1 x 8″ bass combo with Eminence Opus speaker
- 3 distinct preamp voicings — Classic, Modern, and Overdrive
- 3-band EQ with semi-parametric Mid knob supplies you with plenty of sound-sculpting power
- Compression and chorus effects for increasing your punch and depth
- Integrated link for Unity U250ACT powered cabinet adds an extra 250 watts of power to your rig
- XLR + 1/4″ line output with independent level control
- -10dB pad accommodates both active and passive instruments
- MP3/line input for supercharging your practice sessions
- Ground lift for eliminating unwanted noise