Pigtronix Philosophers Tone CSD Compressor - Used AC41619 It also has an effects

It also has an effects loop

Authentic features and appointments generate superior sound and feel for today's left-handed bassists

Reaching beyond the capabilities of previous generations

and violin

One of the many reasons artists and sound engineers love the D112 MkII is that it requires no additional EQ to sound just right as soon as you bring up the fader

Pigtronix Philosophers Tone CSD Compressor - Used AC41619 It also has an effectsThis pedal is in excellent shape with original box and materials included. Awesome sustain without the noise. Dialed threshold and ratio put you in complete control. Blend controls allow you to merge compressed and uncompressed signals. Smooth diode clipping distortion gives you natural overdrive. Treble EQ allowes you to brighten or mellow out your tone.