Tested, working.

The left side 125Hz slider knob is missing (see photo), but otherwise functional and in great condition!

AI DESCRIPTION: The BSR EQ-3000 Stereo Frequency Graphic Equalizer Spectrum Analyzer in black is a vintage audio device manufactured between 1980-1989. It offers Dolby surround sound formats and has analog features with a power of 20W. The equalizer has three outputs and inputs, RCA audio outputs, and composite audio inputs. With its brand reputation and specific model name, the BSR EQ-3000 is a reliable and high-quality option for audio enthusiasts looking to enhance their home audio system.