Wisdom S90 In-Wall RTL® Passive Subwoofer, Without Grille And With Basic Port Plate For Hidden Installs

Wisdom's S90 in wall Basic Port RTL® is an high end subwoofer for customers who desire uncompromising performance, whilst preferring the aesthetic benefits of custom installed hidden loudspeakers. The S90’s superb performance characteristics include a flat response to 20Hz with usable in room energy down to 17Hz and an outstanding dynamic capability and accurate timbre reproduction.

The S90 in wall basic port RTL® subwoofer is a rare example of a customer centric design that offers competitive results versus the finest freestanding options.

The Regenerative Transmission Line® proves to be the ideal option for ensuring a high performance, uncompromising low frequency solution when installed in a stud bay, ceiling or floor. This subwoofer offers an unique combination of high sensitivity, high output and low distortion with the uniform and extended response expected by your customers. It features extraordinary power and punch combined with a remarkable level of quickness, tunefulness and realism.

The S90’s novel dual woofer, Regenerative Line® design takes full advantage of stud bay space to achieve high end performance. The cabinet is constructed of wood measuring 228.6cm (90") H x 35.56cm (14") W x 13.97cm (5.5") D that occupies a full stud bay and can be mounted in wall, under risers and in floors.

Its size makes it well suited to being custom installed and thereby hidden behind its small paintable grill and bezel.

The level of sound quality and dynamic performance for in wall subwoofers was previously unavailable; it is now with the highly efficient S90.