Optimus SSM-50 2-channel Stereo Disco Mixer

The image shows an Optimus SSM-50 2-Channel Stereo Disco Mixer, which is a classic analog DJ mixer manufactured by Radio Shack. Key features and details: Channels & Inputs/Outputs: It's a 2-channel mixer with stereo line outputs for connecting to receivers/amplifiers and tape decks, stereo line inputs for sources like CD players and camcorders, and stereo phono inputs for turntables. Features: It includes a replaceable crossfader, headphone jack, line/phono switch, a DJ microphone input, input source selectors, cue switch for monitoring, LED output level VU meters, and bass/treble controls. Functionality: Designed for mixing sound from multiple audio sources like microphones, tuners, CD players, turntables, or VCR audio outputs. Design: It's a black, rack-mountable unit, ruggedly constructed for both home and professional use.