The Kenwood GE-1000 Graphic Equalizer with Time Delay System is a vintage audio device manufactured in Japan in 1983. This silver-colored equalizer offers various features such as analog input/output, RCA stereo L/R audio outputs, . With its 3 audio inputs and 2 channels, the Kenwood GE-1000 provides a versatile solution for enhancing the sound quality of your home audio system.it worked thru line in and line out,(as-is)-(no return)