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Klipsch Heresy IV Floorstanding Speakers (Pair)

Regular price R 123,490.00

First introduced in 1957, the Heresy, a three-way design, started out as a compact center channel speaker to accompany the Klipschorn® in three-speaker stereo arrays. The Heresy IV offers unparalleled sound quality from a relatively small speaker.


  • All-new K-702 midrange compression driver, featuring a polyimide diaphragm, for exceptional detail
  • For the first time, the Heresy IV features a rear port for the most efficient, fastest air transfer in their class, which reduces port noise for punchier low frequencies
  • K-702 midrange is mated to the K-704 Tractrix® horn for a wide coverage pattern
  • K-107-TI titanium diaphragm high-frequency driver with an all-new wide dispersion phase plug for providing exceptionally even high-frequency dispersion
  • All-new high fidelity network for truer-to-life sound, best-in-class efficiency, and power handling
  • Klipsch Tractrix ports have custom-designed inner flares that help reduce air turbulence entering the port. Less turbulent air helps reduce port noise for cleaner, more powerful bass
  • Available in a high-quality Satin Black Ash, Distressed Oak, or American Walnut wood veneer finish
  • Designed & assembled in the USA
  • Klipsch Heresy IV Floorstanding Speakers (Pair)
  • Klipsch Heresy IV Floorstanding Speakers (Pair)


Klipsch Heresy IV Floorstanding Speakers (Pair)
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Product information

Warranty & Support
Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

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Product Specifications
Please refer to the below table for the most important specifications. You can also view the product description below the table for more details. Always feel free to contact our expert consultants by clicking here to find any additional information or to ensure that this product will work for you.

Product Description

A Little Heresy is Good for the Soul

The Heresy IV is quite possibly the speaker champion of the world.

Whether it's for your burgeoning vinyl collection, home theater or whatever, the Heresy IV will knock your socks off.

Even if you never turn them on, they are the first thing someone notices in a room — and when you do turn them on, their clean, crisp sound can impress even the most discerning speaker aficionados.

Gear Patrol

Designed & Assembled in the USA. Made to Rock.

With cabinetry that is proudly handcrafted in Hope, Arkansas for over 50 years, the Klipsch Heresy IV speaker is a testament to the quality Klipsch demands from each and every of its audio products.

Here's to 50 more years of Heresy.



For the first time in its long legacy, the Heresy now features a rear port – improving low-frequency extension by almost 10Hz, for room-filling bass.

Utilizing Tractrix geometry, the all-new Heresy IV ports allow for the most efficient, fastest air transfer in their class, which reduces port noise for punchier low frequencies. Klipsch Tractrix ports have custom designed inner flares that help reduce air turbulence entering the port. Less turbulent air helps reduce port noise for cleaner, more powerful bass.

In addition to delivering smooth, dynamic and low distortion sound, the Heresy IV is available in a high-quality Natural Cherry, Distressed Oak, American Walnut, or Satin Black Ash wood veneer finish. A slant riser base is included for floor placement that can be removed for cabinet installations.

The Great American Speaker Company

Our founder, Paul W. Klipsch, was an engineer, inventor, madman and certified genius. He spent his life trying to bring the world better sound. Since 1946, we have carried on our founder's passion for delivering the best home audio experience possible.

You're not buying a speaker - you're buying a piece of American audio history built on more than 70 years of badass acoustic technology.


-Enclosure: Bass Reflex
-Finish: MDF/Wood veneer
-Tweeter: Tractrix Horn
-Tweeter Size (inches): 1
-Midrange Size (inches): 1.75
-Woofer Size (inches): 12
-Woofer Composition: Fiber-composite
-Woofer Surround: Treated cloth
-Built-in Powered Sub; No
-Dolby Atmos Drivers: No
-Video-Shielded: No
-Connector Type: 5-way post
-Bi-amp Inputs: Yes
-Parts Warranty 5: Years
-Labor Warranty: 5 Years
-Power Range: 100
-Frequency Response: 48-20k Hz
-Sensitivity: 99 dB
-Impedance (Ohms): 8
-Subwoofer Amp Power —
-Height (inches): 24-13/16
-Width (inches): 15-1/2
-Depth (inches): 13-1/4
-Weight: 45 lbs





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