Overview

The Klipsch R-40SA is a Dolby Atmos enabled speaker from the Klipsch Reference series, pairing a 1-inch aluminum tweeter on a 90° x 90° Tractrix horn with a 4-inch spun-copper woofer. Placed on top of your front speakers, it fires sound up toward the ceiling so it reflects back down as overhead effects, without in-ceiling speakers. It can also work as a surround speaker, giving you flexibility as your home theatre grows.

The 1-inch Linear Travel Suspension (LTS) aluminum tweeter uses a Kapton suspension to minimize distortion, and the square Tractrix horn controls directivity over a wide range of frequencies for a more accurate soundstage. The 4-inch Thermoformed Crystalline Polymer (TCP) woofer uses a steeply angled, ribbed cone for smoother response and less cone breakup. The sealed acoustic suspension cabinet conforms to Dolby Atmos specifications for frequency response and sensitivity.

Jumper wires are included for an easy Atmos connection to the Klipsch R-800F and R-600F floorstanding speakers, and four rubber feet are in the box. The reinforced ¾-inch MDF cabinet uses an all-new bracing design to reduce vibration, finished in scratch-resistant black textured wood grain vinyl, with hidden fasteners, an edge-to-edge horn and a low-profile magnetic grille.

Simcoe Audio Video Insight

Atmos speakers that bounce sound off the ceiling work best with a flat, reflective ceiling; vaulted, angled or acoustically treated ceilings weaken the effect. On top of an R-800F or R-600F, the included jumper wires keep the connection tidy. Either way you'll need an AV receiver with Dolby Atmos decoding and enough channels for the height speakers, and when you run setup, tell the receiver these are up-firing height speakers so it applies the right processing.

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Why the Klipsch R-40SA Stands Out

Buyer's Guide

Who It's For

• Atmos Home Theatres: Want height effects without ceiling work.
• R-800F and R-600F Owners: Want a matched Atmos add-on.
• Growing Systems: Want speakers that can move to surround duty.

How It Compares

The R-40M bookshelf speaker shares the R-40SA's 1" LTS tweeter, Tractrix horn and 4" TCP woofer, but uses a rear-ported cabinet rated at 71 Hz to 21 kHz for front or surround duty. The R-40SA uses a sealed cabinet tuned to Dolby Atmos specifications for height effects, with jumper wires for R-800F and R-600F towers. Choose the R-40M for main or surround channels, and the R-40SA to add overhead sound.