Ernie Ball Expression Series Ambient Delay Pedal _pop-prep By using two delay lines

By using two delay lines (as opposed to just one)

no retuning is necessary

creating a righteous groove that forces you to move with it

The cardioid pickup pattern focuses on the main sound source

Ernie Ball Expression Series Ambient Delay Pedal _pop-prep By using two delay linesThe Expression Series Ambient Delay provides a hybrid of digital delay layered with plate reverb, for everything from slap back to extended repeats. It features settings for delay time (50ms 1s), delay feedback, reverb level, and a foot sweepable effect level control to create anything from subtle textures to ambient soundscapes, all without taking your hands off the guitar.