What is it: The classic pedal for adding excitement and energy for more of that famous electric guitar sound. Where to put it: Before delays and modulations, after drives and pitch shifters.

It features four separate foot switches, which can be assigned particular effects by the user, and connects to the iPad or iPhone with a 1-meter-long dock connector cable -- guitar connection ...

What is it: A pedal that will alter the pitch of your sound, for subtle bends and wobbles right through to dramatic show-stopping divebomb bends. Where to put it: After compression but before drives.