MXR M169 Carbon Copy Analog Delay Pedal Bundle All analog Delay Pedal with 600ms Delay Time, Two Adjustable Internal Trim Pots and Blue LEDs with 2 Patch Cables and 2 Instrument Cable The M169 Carbon Copy Analog Delay delivers rich, warm bucket-bridgade delay with up to 600ms of delay time and modulation. The M169 MXR Carbon Copy analog delay features an entirely analog audio path, delivering rich, warm delay using old-school bucket brigade technology The Carbon Copy boasts 600ms of delay time, with optional modulation via a top-mounted switch, and its simple three-knob layout gives you complete control over Delay, Mix (dry/wet blend), and Regeneration (delay repeats) - all in one incredibly compact pedal This M169 pedal gives you everything from crisp bathroom slap echoes to epic delays, all with the simple twist of a knob Stage-worthy blue LEDs and 9-volt operation round out this MXR Carbon Copy analog delay with Featuring 600ms of delay time with optional modulation, and a three-knob layout that controls Delay, Mix, and Regen