R-51M

Bookshelf Speakers

Want the latest? Shop the New Reference R-50M Bookshelf Speakers Now.


Leveraging a 1" aluminum tweeter matted to our proprietary Tractrix horn-loaded technology - the R-51M bookshelf speaker delivers incredible acoustics to fill your home with loud, crystal-clear sound and robust bass that no ordinary bookshelf speaker can.

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"If you like your rock or pop music loud, the Klipsch R-51M can inject a dose of fun into your system for an affordable price."

KLIPSCH RECOMMENDATIONS

If you've ever dreamt of a home theater system, now is the time to make it a reality. Check out these great complementary Klipsch products.

Reference 2018 Bookshelf Horn
Reference 2018 Bookshelf Horn

Tractrix® Horn Technology

Klipsch exclusive 90x90º Tractrix® horn technology ensures that the R-51M high frequency energy is aimed at the listener and reduces artificial reverb or filtering caused by indirect sound bouncing off of walls. Using this proprietary focused technology gives you the best clarity, dynamics, and detail from your movies and music.

Reference LTS Tweeter
Reference LTS Tweeter

LINEAR TRAVEL SUSPENSION TWEETER

WITH KAPTON® SUSPENSION

Klipsch exclusive Linear Travel Suspension (LTS) aluminum tweeter minimizes distortion for enhanced, detailed performances. Using Kapton, an extremely light and rigid material, in the tweeter suspension provides high efficiency and improves resolution and detail. LTS tweeters are a hallmark of Klipsch speakers, making them some of the best speakers in the world.

Reference 2018 Bookshelf Woofers
Reference 2018 Bookshelf Woofers

Spun Copper IMG Woofers

Injection Molded Graphite (IMG) woofer cones are exceptionally light while being extremely rigid – providing remarkable low frequency response, with minimal cone breakup and distortion. When paired with the Tractrix Horn-Loaded LTS Tweeter, it provides speaker efficiency highest in its class.

Reference 2018 Bookshelf Finish
Reference 2018 Bookshelf Finish

Sleek Design

Exposed fasteners, low profile magnetic grilles and a scratch-resistant, textured wood grain vinyl give the Reference Series a polished, modern appearance.

Reference 2018 Bookshelf Cabinet
Reference 2018 Bookshelf Cabinet

HIGH QUALITY CABINET DESIGN

Reinforced MDF construction reduces cabinet vibration for less audible coloration and improved sonic accuracy - giving you the ultimate listening experience that's built to last.

Features

Key Product Features

Sold in pairs
1" Aluminum LTS tweeters
90° x 90° Square Tractrix Horns
5.25" Spun-Copper IMG Woofers
Bass-Reflex via Rear-Firing Port
Strong, Flexible Removable Magnetic Grille
Dimensions: 13.3" x 7" x 8.5"

Documents

Spec Sheet

For more technical detail, download the Spec Sheet here: R 51 M Spec Sheet v01 .

Product Manual

Download the Product Manual for R-51M Bookshelf Speakers here: Reference Speakers 2018 Manual .