The speaker cabinet can have a huge bearing on the type of tones you can extract from your chosen amplifier. The speaker parameters are found near the top of the interface.
Speaker pop-up menu: Choose one of 15 speaker models:
UK 1 x 12 open back: Classic open enclosure with one 12” speaker, neutral, well-balanced, multifunctional.
UK 2 x 12 open back: Classic open enclosure with two 12” speakers, neutral, well-balanced, multifunctional.
UK 2 x 12 closed: Loads of resonance in the low frequency range, therefore suitable for Combos: crunchy sounds are also possible with low Bass control settings.
UK 4 x 12 closed slanted: When used in combination with off-center miking, you can attain an interesting mid frequency range; therefore, this model works well when combined with High Gain amps.
US 1 x 10 open back: Minimal resonance in the low frequency range. Suitable for use with blues harmonicas.
US 1 x 12 open back 1: Open enclosure of an American lead combo with a single 12” speaker.
US 1 x 12 open back 2: Open enclosure of an American clean/crunch combo with a single 12” speaker.
US 1 x 12 open back 3: Open enclosure of another American clean/crunch combo with a single 12” speaker.
US broad range: Simulation of a classic electric piano speaker.
Analog simulation: Internal speaker simulation of a well-known British tube preamplifier.
UK 1 x 12 (GarageBand): A British Class A tube open back with a single 12” speaker.
UK 4 x 12 (GarageBand): Classic closed enclosure with four 12” speakers (black series), suitable for rock.
US 1 x 12 open back (GarageBand): Open enclosure of an American lead combo with a single 12” speaker.
US 1 x 12 bass reflex (GarageBand): Closed bass reflex cabinet with a single 12” speaker.
DI Box: Bypasses the speaker simulation section.
Amp-Speaker Link button: Links the Amp and Speaker pop-up menus, so that changes to amp model selection result in the speaker associated with that amp also being loaded.