Keeley Compressor Mini, Effect pedal for electric guitar, Compressor / sustainer, Parallel compression with auto blend improves clarity and definition of notes, Improved sustain range for even more subtle compression, New transient release time works equally well with humbuckers or single coils, Automatic tone recovery circuit clears up treble range during heavy compression, Integrated preamp for incredible guitar sound, True bypass, Level and comp controls, Bypass footswitch, Status LED, Metal housing, Input and output: 6.3 mm mono jack, Power supply via optional 9V DC power supply unit, 2.1 x 5.5 mm hollow female plug, polarity (-) inside (not included), Power consumption 10 mA, Dimensions (L x W x H): 95 x 47 x 50 mm, Weight approx. 140 g@+@+*Note:* Battery operation not supported@+@+*Note:* Register your product at www.w-distribution.de/Warranty and extend the warranty to 4 years.