Used Keeley Compressor Pro Guitar Effects Pedal Walrus Audio Deep Six and power supply

and power supply

Power In 9 to 12VDC (negative TIP) Consumption at 9V <100mA Input Impedance <=1M Ohm Output Impedance <=10K Ohm Distortion (GAIN) max 2%THD S/N ratio <70db Width 60mm

Shimmer Mode - Reverb with emphasis on octave-up voices in reverb trails

How about a normal/bright switch to mix and match the overall tone to different amps and guitars

Expression Jack:

Used Keeley Compressor Pro Guitar Effects Pedal Walrus Audio Deep Six and power supplyMint, all original packaging, as new Introduction of Features: Compression LED Display 7 Segment LED display for fast and accurate metering of compression and gain reduction. Gain Reduction Levels of 1dB to 20dB are indicated. Threshold LED Indicator Bi Color LED to indicate when compression is initiated and released. Exact RMS Analysis (ERA) Senses the true RMS value of the input program material such as your guitar, bass or drum machine. Hard Soft