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Discontinued Product

Klipsch Reference Series RB-81 II Cherry Bookshelf Speaker - RB-81 II

Abt Model: RB81IICH | UPC Code: 743878021837
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Product Details

Klipsch Reference Series RB-81 II Cherry Bookshelf Speaker, Model RB81IICH

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.


  • 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


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

Approximate Dimensions:

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

Approximate Weight:

  • Unit: 27.5 lbs
  • Shipping: 30 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 Power Handling/ Bass-Reflex Via Front-Firing Port/ 1400Hz Frequency Crossover/ 1 " Titanium Diaphragm Compression Driver Mated To A Square Tractrix Horn/ Dual Binding Posts/Bi-Wire/Bi-Amp/ 8 " Cerametallic Cone Woofer/ Cherry Finish/ Sold As Single
More reasons to buy the Klipsch RB-81 II from Abt Electronics
  • is an authorized dealer (Learn More).
  • The Klipsch RB-81 II is Brand New.
  • The Klipsch RB-81 II Ships in a Factory Sealed Box.
  • Abt ships this product for free!
Frequency Response1400Hz
Enclosure TypeBass-reflex via dual front-firing ports
Impedance8 ohms compatible
Power600 Watts
RMS Output Power150 Watts
Sensitivity97dB @ 2.83V / 1m
Speaker TypeBookshelf
Woofer Size (inches)8"
Height (inches)19"
Width (inches)9.3"
Depth (inches)12.3"


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