Behringer digital delay dd600 stompbox behringer dd600 p behringer s digital delay nbsp dd600 is the ultimate effects pedal for subtle to substantial echo delays and holds its own against delay boxes costing three times the price p p the dd600 stomp box has dedicated mode delay time feedback and level controls for awesome sound shaping which results in 24 bit high resolution stereo delay echo and panning effects with delay times of up to 2000 milliseconds modes include