The Pioneer Prologue S-77 is a loudspeaker model manufactured from 1990 to 1991. It features a sleek black design and was originally priced at approximately 498 DM per piece. The Prologue S-77 is part of a series that includes several other models such as the CS-557, CS-777, CS-997, Prologue S-55, S-99 T, S-110, and S-330. While specific technical specifications are not detailed, the model stands out for its build quality and aesthetic appeal. It's designed for versatility and performance, suitable for various listening environments.
