Sony Ssd902av

Vocals and acoustic instruments sit cleanly in the soundstage. The crossover network ensures that midrange frequencies are isolated from low-end rumble, keeping movie dialogue intelligible and vocal performances clear. Crisp High-Frequency Extension

It may be a rare, late-80s integrated amplifier or AV receiver designed for both stereo music and early home theater (Pro Logic). Features would probably include: sony ssd902av