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Klipsch RB-51 II

Klipsch RB-51 II
alaScore 85

117 reviews

Mar, 2018

alaTest has collected and analyzed 117 reviews of Klipsch RB-51 II. The average rating for this product is 4.8/5, compared to an average rating of 4.3/5 for other Speakers for all reviews.

We analyzed user and expert ratings, product age and more factors. Compared to other Speakers the Klipsch RB-51 II is awarded an overall alaScore™ of 85/100 = Very good quality.

Review analysis

(Based on 117 reviews)

Expert Reviews  

User Reviews  


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Showing 1 - 105 of 105 Show Reviews: in English | in other languages (12)

Consumer review ( review summary for Klipsch RB-51 II


alaTest has collected and analyzed 100 user reviews of Klipsch RB-51 II from The average user rating for this product is 4.8/5, compared to an average user rating of 4.2/5 for other Speakers on

97% of the reviews on give this product a positive rating.

This summary is based on the products: Klipsch RB-51 II Bookshelf Speaker (Pair) - BlackKlipsch RB-51 II Bookshelf Speaker (Pair) - Black

Mar, 2018

Expert review by : Ed Masterson (

Klipsch Reference Series 5.1 Theater Speaker System


Introduction Specialty audio/video manufacturers come and go, leaving a rare few who last long enough to see their tenth birthday. Loudspeaker manufacturer Klipsch has survived more than five decades. They have done so with products designed and...

Jan, 2001

Consumer review (

Klipsch RB-51 II Bookshelf Speakers


Purchased these from Amazon recently and the sound is awesome. Super clean - no distortion at any frequency range or sound level. Powered by a restored Heathkit AR-1302 that is equally clean, powerful and no distortion. No matter what genre you listen...

Oct, 2017

Consumer review (

Klipsch RB-51 II Bookshelf Speakers


I have these set up in living room with the Pioneer Elite amp, Velodyne sub, and Klipsch center and rear speakers. I am an audiophile having possessed mac amps and klipsch speakers back in the day with a pretty good ear for the stuff (of what's left of...

Sep, 2016

Consumer review (

Klipsch RB-51 II Bookshelf Speakers


I am using these speakers as a 2 speaker stereo set up. I have them powered by an Adcom GFA555-II, an Adcom Pre amp GFP555-II, An JVC XL-Z1050 CD Player, and an Audio Technica AT-PL120 turn table. I listen to all the genres of music; acoustic jazz,...

Apr, 2009

Consumer review (

Klipsch RB-51 II Bookshelf Speakers


great speakers. wonderful highs and strong lows. would recommend to anyone. i purchased them from for $289.00 much cheaper than anyone else.

Feb, 2009

Product Specifications


Crossover frequency:1500 / 2000
Frequency range:50 - 23000 / 50 - 24000
Peak Music Power Output (PMPO):300
RMS rated power:75


Color of product:Black


Audio output channels:2.0
Tweeter diameter:1
Tweeter Size:1
Woofer Diameter:5.24
Woofer diameter (imperial):5.25
Woofer Size:5.25

Other Features

Audio output channels:2.0
Depth:10.7 / 10.8
Depth (imperial):10.7 / 10.8
Height (imperial):11.4
Type:Bookshelf / Home theatre speakers
Width (imperial):6.5

Weight & Dimensions

Weight:12.1 / 20.9