Compressor

Behringer Multicom Pro-XL MDX4600 V2 4-channel Compressor/Expander/Gate (MDX4600V2 / MDX-4600V2)

Compact and complete dynamics processing. The Behringer MDX4600 V2 Multicom Pro-XL gives you extensive control in a space-saving 1U format.

Behringer CS400 Compressor/Sustainer Guitar Effects Pedal Compressor/Sustainer Pedal with Level, Tone, Attack, and Sustain Controls
  Behringer CS400 Compressor/Sustainer Guitar Effects Pedal (CS-400 / CS 400)

Let Behringer's Compressor/Sustainer CS400 effect pedal put your guitar signal on the main stage.

Behringer Composer Pro-XL MDX2600 V2 2-channel Compressor/Limiter/Gate (MDX2600V2 / MDX-2600V2)

The Behringer MDX2600 V2 Pro XL is a reference-class dual-channel Expander/Gate/Compressor/Peak Limiter that is perfect for a variety of applications.