The Mooer Audio Yellow Comp Optical Compressor Pedal is an optical compressor guitar effects pedal. The Mooer Yellow Comp features a classic optical compressing sound with smooth attack and decay. Furthermore, it preserves the original signal transients perfectly. This pedal has two working modes, Normal and Treble. The Normal mode features a normal sustain of low noise, long sustain is obtained. The Treble mode has an emphasised sustain of high frequency. This pedal features a full metal shell, and a very small exquisite design, with true bypass and requires a DC 9V Adapter power supply.

The main features of the Mooer Audio Yellow Comp Optical Compressor Pedal include:

• Classic optical compressing sound with smooth attack and decay
• Preserves the original signal transients perfectly
• 2 Working Modes: Normal/Treble
• Normal: Normal sustain of low noise, long sustain is obtained
• Treble: Sustain of high frequency is emphasized
• Full metal shell
• Very small and exquisite
• True bypass
• Requires DC 9V Adapter power supply