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Klipsch RP-1400CSW 14" High Excursion Compact Subwoofer (2026)

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Feature Summary

Klipsch RP-1400CSW Powered Sub - High-Excursion Front-Firing 14" Cerametallic Woofer - Precision Analog Preamp - High-Efficiency Class D Power Amp - Integrates Flawlessly with Klipsch Speakers - Rear-Panel Low-Pass, Gain, and Phase Controls - High-Contrast Labeling for Easy Visibility - Compact Sealed Cabinet - Scratch-Resistant Vinyl Finish - Copper Accents - Rounded Cabinet Edges - Shock-Absorbing Rubber Feet - Floating Fabric Grille - 1 x Dual RCA Stereo (L/LFE, R) - 1 x WA-2 Port - 500W RMS / 1000W Peak - Frequency Response: 15Hz – 180Hz -(16.6"W x 16.6"D x 16.6"H) - Ebony

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Features

BIG BASS / SMALL SPACE

Maximum sound from a modest footprint, introducing three new compact models, room-filling deep bass for all your entertainment media.

OVER 80 YEARS OF ADVANCED ACOUSTICS

Designed and engineered in the USA, compact sealed cabinet, front-firing Cerametallic woofer, analog preamp, powerful class D amplifier.

PACKED WITH TECH

High contrast controls, phase inverter, standby mode, RCA and wireless inputs, volume knob goes to 11.

PREMIUM DESIGN

Iconic Reference Premiere styling, wood cabinetry, scratch-resistant vinyl, shock-absorbing rubber feet, floating fabric grille, 5-year warranty.

FAQ

How does the RP-1400CSW differ from the standard RP-1400SW?

The RP-1400CSW ("Compact Subwoofer") uses a sealed enclosure rather than the large front-firing slot-ported cabinet of the standard Klipsch RP-1400SW. While both share the same 14-inch driver and 500W RMS amplifier rating, the RP-1400CSW cuts the footprint by nearly 50% and weighs 24 lbs less. In exchange, it trades about 3 dB of peak output (121 dB vs. 124 dB) for a smaller size and tighter transient response.

Can I connect the RP-1400CSW wirelessly?

Yes, the rear panel includes a dedicated wireless port compatible with the optional Klipsch WA-2 Wireless Subwoofer Kit (sold separately). It transmits a 2.4 GHz signal up to a 50-foot radius, and you can pair up to four WA-2 kits in a single room for multi-subwoofer setups.

Can I hook up two audio systems to it at the same time?

Yes, the dual RCA/LFE line-level inputs and the WA-2 wireless port can be active simultaneously. This allows a single subwoofer to receive signals from both a home theater AV receiver and a separate two-channel stereo system in the same room without swapping cables.

What controls are on the rear panel?

The back panel features high-contrast white knobs with black lettering for Low-Pass Crossover, Phase, and Gain (which famously goes up to "11"). If you are connecting the sub to an AV receiver's dedicated LFE/Sub Out port, set the subwoofer's low-pass crossover knob to its highest/LFE setting so your receiver manages bass crossovers.

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Features
Subwoofer Yes
Power Range 500W RMS / 1000W
Woofer Size 14"
Enclosure Type Sealed
Product finish Ebony
Frequency Response 15Hz – 180Hz
Specifications
Brand KLIPSCH
Category Subwoofer
Model RP-1400CSW
MPN 1080555
UPC 743878093407
Series
Color ebony
Width 16.6
Height 16.6
Depth 16.6
WARNING: This product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm.
Warranty
Parts 5 Years
Labor 5 Years