Wisdom Audio S90i-f/c In-Wall (2×4) RTL Subwoofer with Port Extension Kit (Each)

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Timonium - 410.308.1650
Columbia - 410.381.2100
Gaithersburg - 301.296.6202

The S90-f/c highly efficient design yields fast, dynamic, articulate results with accurate timbre. This is a high-end subwoofer solution for customers who desire no-compromise performance, but prefer the aesthetic benefits of custom-installed, hidden loudspeakers. The S90-f/c has superb performance characteristics, which include a flat response to 20 Hz with usable in-room energy down to 17 Hz, outstanding dynamic capability, and accurate timbre reproduction. Three versions are available: S90i (when an exposed grille is needed), S90 basic-port (when you are going to place it behind scrim cloth/acoustic fabric and you do not need a grille, and S90-f/c (when you need to extend the port of the S90 from the attic, crawl space, or an adjacent room).

The Regenerative Transmission Line®

Regenerative Transmission Line® designs yielded the unique combination of high sensitivity, high output, and low distortion with the uniform and extended response we required. The result is extraordinary power and punch combined with a remarkable level of quickness, tunefulness, and realism.

Frequency Response 20Hz – 80 Hz ± 2dB relative to the target curve
Impedance 4 ohms
Sensitivity 93 dB / 2.83 V / 1m
Power Handling, Peak 1000w
Maximum SPL 123dB / 20Hz / 1m
Shipping Weight 65 lbs. (30 kg)
Dimensions – HxWxD 92.75” x 15.875” x 6.125” (235cm x 40.3cm x 15.5cm)



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