It is an analog delay in good condition and is fully functional. No box, battery or power supply. A 9V adapter or a 9V battery is normally powered.
"The FX96 Echo FX Analog Delay was introduced as an emulation of (and marketed as an improvement over) vintage tape echo effects, such as the Binson Echorec and Maestro Echoplex, initially popularized by rockabilly artists to achieve an effect" slapback '. The FX96 used the same MN3005 BBD chip as the discontinued FX90, but offers a longer delay time and a low pass filter to attenuate high frequencies for a more authentic echo magnetic tape. The FX96 was presented at Winter NAMM 1997 but did not officially debut until the summer of NAMM 1997. "
Used by many famous people including Black Robes' Rich Robinson.