Signal Processors

11 impressive modulation processes all in one compact pedal — what's not to like?

The 1973 version two Big Muff Pi — with a ram's head printed on the casework — was used on so many classic records that EHX have decided to bring it back.

Bass9 transforms the signal from a standard six-string electric guitar into one of nine different bass sounds...

Nano offers the same overdrive and distortion as the original Operation Overlord pedal, minus the stereo ins/outs.

This all-digital pedal's polyphonic envelope technology lets you apply separate envelope shapes to overlapping notes to simulate a tape reverse effect.

In designing the Blurst, Electro-Harmonix have essentially built a synth-style resonant, fourth-order, low-pass filter and put it into a guitar/bass pedal.

Electro-Harmonix’s Canyon is a delay/looper, but it goes the extra mile, packing a wide repertoire of delay effects into its compact pedal format.

Electro-Harmonix have always had a good reputation for their pitch-shift effects. How does their latest one compare?

This high-end stereo compressor boasts three different flavours of optical compression.