Do the Blackstar Unity bass amps have built in effects?

Yes, they do! Each amp has built-in Chorus, Compressor and Octaver effects for some quick and easy colouring of your sound.

What does the Response control do?

The Response control simulates the power amp stage of 3 different types of amp - Linear, 6L6 and 6550 - which all have their feel, compression and dynamic response.

What are all of the models in the Unity series?

The Blackstar Unity series is a very comprehensive range. There are 5 amp models and an extension cabinet available. Here is the full line up: U30, U60, U120, U250, U500 and the Unity 250 Active Cabinet.