Detail 01
104 effects
Provides a large pool of effects for building custom bass patches.

Independent shopping perspective
Zoom’s B2 Four is a black bass amp-and-effects emulator built around multi-layer IR technology and six DI models. It provides 104 effects for patch building, and you can run as many as five effects and amp models together in one custom patch. With 250 presets already loaded, it gives bassists a broad starting library for dialing in sounds associated with songs from the 1950s through today.


Strong match
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.

Detail 01
Provides a large pool of effects for building custom bass patches.
Detail 02
Lets a single patch combine multiple effects and amp models.
Detail 03
Supplies loaded patch starting points for bassists.
Product questions
Straight answers to the questions shoppers most often ask about this product.
It includes 104 effects.
Yes. A custom patch can mix and match up to five effects and amps simultaneously.
250 presets.
Reference
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