Compressor Pro

The Keeley Compressor Pro is a stomp-box sized compressor/limiter designed to be an indispensable tool for various musical endeavors. It is not limited to use with only guitar and can function as a studio compressor accepting a wide range of inputs with a frequency response and noise level matching the finest compressors made.

Key Features:
- Compression LED Display: 7 Segment LED display for fast and accurate metering of compression and gain reduction.
- 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 guitar, bass, or drum machine.
- Hard/Soft Knee Compression: Offers hard compression for limiting or adding sustain, as well as soft knee compression for gentle compression, keeping performances lively and natural sounding without potential phase issues.
- Auto Mode: Program-dependent Attack and Release times for worry-free performance and automatic adjustment.
- True-Bypass: Ensures no tone or signal loss when OFF.

Device Controls:
- THRESHOLD, RATIO, ATTACK, RELEASE, GAIN, KNEE, & AUTO

General Compressor Usage:
- The Compressor Pro is suitable for creating full-sounding recordings of any instrument in home or studio settings. It can also be used in live situations to achieve polished performances and protect amplifiers and speakers from overload. The pedal is versatile and compatible with voice, guitar, keyboard, bass, or drums, making it suitable for podcast or YouTube video production.

Good Compression Settings:
- SMOOTHING: Use low to medium compression to smooth changes in dynamics.
- SUSTAIN: Higher compression ratio settings can be used to add sustain to guitars or keyboards.
- CHICKEN PICKING COMPRESSION: Specific settings for achieving compression artifacts or effects like a breathing or pumping sound.
- BASS BOOM AND SLAP: Settings for achieving a punchy bass guitar sound.

The Keeley Compressor Pro offers a wide range of controls and settings to cater to various musical needs, making it a versatile and powerful tool for musicians and audio professionals.