DELAY

Perfect matches Plug & Play

Powered by DC9V

Using popular chip PT2399 for the delay effect

Suitable for IC TL072CP (kit including), NE5532P & OPA2134PA

It has Delay(Time), Feedback(Repeat) & Mix control(Delay level)

Simple 4 pins connection (9V, Send, Return, Ground), user can do hand wired soldering to phone / DC jacks & foot switch.