perlisten r10sCompact power for precise, controlled bass The Perlisten R10s is an active subwoofer designed to deliver deep, dynamic bass in a compact package . Derived from D Series technology, this R Series model integrates high quality components and advanced technical solutions in a small, high performance design. Perfect for home theater or stereo systems in small to medium sized rooms, the R10s stands out for its balance of power, control and small footprint.