Core 40

The same nine-model voicing set as the Core 20, driving a single 10-inch speaker at 40 watts. The one that keeps up with a drummer. Tuner, drum machine and Bluetooth on board.

1. InputPlug your guitar in here.
2. ModelSelects one of the nine amp models.
3. GainSets how hard the preamp is driven — clean when low, overdriven as you turn it up.
4. BassCuts or boosts the low frequencies.
5. MiddleCuts or boosts the midrange — the body of the sound.
6. TrebleCuts or boosts the high frequencies.
7. EffectChooses the built-in effect and sets its depth.
8. ReverbAdds spring-style reverb, from a hint of room to a long tail.
9. MasterSets the overall level after the preamp — turn it up for power-tube drive.
10. LevelOverall output volume.
11. PowerSwitches the amplifier on — the pilot lamp glows when it is live.