Heresy IV Floorstanding Speaker

Classic Heritage, Modern Precision — The Klipsch Heresy IV Loudspeaker

The Klipsch Heresy IV is a compact, three-way, horn-loaded loudspeaker that continues a legacy first introduced in 1957. Redesigned with modern components and acoustic innovations, the Heresy IV delivers room-filling sound with powerful efficiency, making it an ideal speaker for audiophiles and home theater enthusiasts alike.

At the heart of the Heresy IV is a new K-702 midrange compression driver paired with a Tractrix® horn for wide dispersion and crystal-clear vocal reproduction. The high frequencies benefit from the K-107-TI titanium diaphragm driver, equipped with a wide-dispersion phase plug to ensure a larger sweet spot. A robust 12” K-28-E woofer provides the low-end, delivering impactful bass supported by a newly added rear Tractrix® port—a first in Heresy’s history.

Its redesigned crossover network, inspired by Klipsch’s legendary Klipschorn and La Scala speakers, features premium components to reduce signal loss and improve fidelity. The result? A lifelike soundstage with 99dB sensitivity and effortless 100W continuous power handling.

Meticulously crafted in Hope, Arkansas using book-matched wood veneers and matched in pairs, each Heresy IV loudspeaker is built to last and designed to impress. Available in four stunning finishes—Satin Black Ash, American Walnut, Natural Cherry, and Distressed Oak—the Heresy IV offers timeless visual appeal to match its sonic excellence.

Whether you're building a vintage-inspired stereo setup or upgrading your home theater, the Klipsch Heresy IV blends heritage design with modern acoustic precision.

Technical Specifications