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Discontinued Product

Klipsch Reference Series Black Bookshelf Speaker - RB-81 II BLACK

Abt Model: RB81IIBK | UPC Code: 743878021820
This product is no longer available.

Product Details

RB81IIBK - Klipsch Reference Series RB-81 II Black Bookshelf Speaker

A towering achievement in a bookshelf design, the Reference Series RB-81 II is a force to be reckoned with. It provides unrivaled music and movie performances to those who demand the very best, but don’t have the room to accommodate a floorstanding speaker. The RB-81 II is complete with our proprietary Tractrix® Horn technology which produces a unique combination of precision, clarity and effortless power. Finished in a beautiful light cherry or black woodgrain vinyl veneer, the RB-81 II is guaranteed to complement any décor.

Key Features:

  • Top bookshelf speaker in Reference Series line
  • Ideal for audiophiles who don’t have room for a floorstander
  • Fills larger rooms with lifelike music and movie performances
  • Highly efficient design produces more output using less energy
  • Accurate, non-fatiguing sound provides hours of listening pleasure
  • Plays louder with less distortion than the competition
  • Dynamic 1" titanium horn-loaded tweeter, 8" high-output woofer
  • Dual threaded inserts for use with third-party stands
  • Beautiful wood-grain vinyl cabinet


  • Every Reference speaker utilizes our Tractrix® Horn technology for lifelike sound, more output using less energy, improved reliability, reduced distortion and a large soundstage with well-defined imaging
  • Our light, yet rigid Cerametallic woofer cones feature specially treated aluminum to help better dampen and prevent distortion
  • Titanium tweeter with linear travel suspension—trickle-down technology from our flagship Palladium Series—provides an open, natural sound, making you feel as if you’re in the studio with the recording artist or on the set of a film
  • Enhanced crossover frequencies offer smoother on-axis and off-axis integration


  • Frequency Response: 44Hz-24KHz ± 3dB
  • Power Handling: 150W RMS / 600W Peak
  • Sensitivity: 97dB @ 2.83V / 1m
  • Nominal Impedance: 8 ohms compatible
  • High Freq Crossover: 1400Hz
  • High Frequency Drivers: 1" (2.54cm) Titanium diaphragm compression driver mated to 90° x 60° square Tractrix® Horn
  • Low Frequency Drivers: 8" (20.3cm) Cerametallic™ cone woofer
  • Enclosure Type: Bass-reflex via front-firing port
  • Inputs: Dual binding posts / bi-wire / bi-amp
  • Mounting: Dual bottom mount 1/4"-20 threaded inserts

Approximate Dimensions:

  • Height: 19"
  • Width: 9.3"
  • Depth: 12.3"

Approximate Weight:

  • Unit: 13.8 lbs
  • Shipping: 15 lbs

Warranty Information:

  • Manufacturer Warranty (authorized online retailer):
    • Five years - Loudspeaker drivers, crossovers and cabinets
    • Two years - Amplifier electronics
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Key Features
150W RMS/600W Peak/ Tractrix Horn Technology/ 1 " Titanium Diaphragm Compression Driver/ 8 " Cerametallic Cone Woofer/ Dual Binding Posts/Bi-Wire/Bi-Amp Inputs/ Black Finish/ Sold As Single
More reasons to buy the Klipsch RB-81 II BLACK from Abt Electronics
  • Abt.com is an authorized dealer (Learn More).
  • The Klipsch RB-81 II BLACK is Brand New.
  • The Klipsch RB-81 II BLACK Ships in a Factory Sealed Box.
  • Abt ships this product for free!
Frequency Response44Hz - 24KHz +/- 3dB
Enclosure MaterialWood
Enclosure TypeBass Reflex (Ported)
Impedance8 Ohms
Magnetic ShieldingNo
Sensitivity97dB spl (2.83 V/m)
Speaker Design2-way
Speaker TypeBookshelf
Tweeter Size (inches)1
Woofer Size (inches)8
Height (inches)19
Width (inches)9.3
Depth (inches)12.3


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