R-115SW
Klipsch Discontinued

R-115SW

A 15-inch powered subwoofer from Klipsch's Reference line with a built-in all-digital amplifier rated at 800 watts of dynamic power. It suits home theatre and stereo systems that need extra low-frequency output and connects through RCA line-level or LFE inputs.

  • 15" spun-copper Cerametallic woofer
  • Built-in all-digital amplifier, 800 W dynamic power
  • Front-firing slot port with internal flare
  • L/R line-level / LFE RCA inputs
  • Low-pass crossover and phase control
  • Optional WA-2 wireless subwoofer kit
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Description

The R-115SW is a front-firing powered subwoofer built around a 15-inch spun-copper Cerametallic driver. The driver cone is light and rigid, which keeps cone breakup and distortion low at low frequencies. A front-firing slot port with a proprietary internal flare shape reduces port noise.

The built-in all-digital amplifier supplies 800 watts of dynamic power. A low-pass crossover and a phase control let the user blend the subwoofer with other Klipsch speakers and set the bass level to suit the room.

Connection is through left/right line-level or LFE RCA inputs, which are compatible with most receivers. An optional Klipsch WA-2 Wireless Subwoofer Kit can be added for a wireless link, which gives more freedom in placement. The cabinet is MDF with a brushed black polymer veneer and a satin painted MDF plinth, and a front-mounted LED shows whether the unit is powered on.

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Specifications

Brand
Klipsch
Model
R-115SW
Category
Hi-fi and home audio › Speakers

Audio

Type
Powered subwoofer
Driver
15" spun-copper Cerametallic woofer
Amplifier
All-digital
Amplifier power
800 watts dynamic power
Port
Front-firing slot port with exclusive internal flare technology
Crossover
Low-pass crossover
Phase control
Yes

Inputs

Line-level inputs
L/R line-level / LFE RCA

Connectivity

Wireless
Optional Klipsch WA-2 Wireless Subwoofer Kit
Receiver compatibility
Compatible with most receivers via RCA inputs

Physical

Height
21.5"
Width
19.5"
Depth
22.3"
Cabinet material
MDF
Cabinet finish
Brushed black polymer veneer
Plinth
Satin painted MDF
Power indicator
Front-mounted LED

Data: klipsch.com; photos: Klipsch product page · updated 2026-10-11 · Found a mistake? Write to us