Optimus STA-3500 Digital Synthesized AM/FM Stereo Reciever Professional Series

Optimus STA-300 Compact Digital Synthesized AM/FM Stereo Receiver

Optimus 200 Watt Stereo Receiver w/Remote Bundle (STA-3180)

Optimus STA-300 Compact Digital Synthesized AM/FM Stereo Receiver

Optimus STAV-3350 Professional Series Digital Synthesized A/V Stereo Receiver

Vintage Optimus STA-2180 Digital Synthesized Stereo Receiver Pro Series

OPTIMUS STA-795 Digital Synthesized AM/FM Stereo Receiver

Optimus STA-20 Micro AM/FM Stereo Receiver