This DBX 166 stereo compressor limiter is great for controlling stereo inputs such as stereo keyboard inputs but it also works as two independent mono units with separate controls for each channel. One owner, kept in smoke-free home studio. Clean and fully functional.

Product Details:
• The DBX 166 is a 2 channel Compressor, Limiter, Noise Gate.

Controls include:
• Gate-Threshold and Release
• Limiter- Peak Stop level

Compression controls are:
• Threshold
• Ratio

Output Gain:
• Gain Reduction meter
• Stereo Couple
• Bypass
• Side Chain

DBX 166 
2-Channel Dynamic Processor