We are available Mon-Sat 9am-6pm MST 1-877-744-1179
On Sale Now
Latest Guide
Cart
0
Trade/Sell Your Gear Cart
Trade/Sell Your Gear
Klipsch

Klipsch Heresy IV Floorstanding Speakers - Pair - Clearance / Open Box

Klipsch

Klipsch Heresy IV Floorstanding Speakers - Pair - Clearance / Open Box

$2,999.00
$3,198.00
HAVE SOMETHING TO TRADE? CLICK HERE
In Stock
In Stock
Back Order
Back Order
Back Order
Out of Stock
Delivery
Ships within 24 hours
Delivery

Color:

- +
Buy now
Notify Me When In Stock

We’ll be happy to e-mail you when this item is available. Just fill in your name and e-mail address

View Products
Notify Me When In Stock

We’ll be happy to e-mail you when this item is available. Just fill in your name and e-mail address

Notify Me

Product Description

Line Circle
The Klipsch Heresy IV Floorstanding Speakers are a testament to decades of audio excellence, delivering unparalleled sound quality in a compact design. With innovative features like the all-new midrange compression driver and rear port design, these speakers offer exceptional detail and punchy low frequencies for an immersive listening experience. Proudly designed and assembled in the USA, the Heresy IV embodies superior craftsmanship and durability, making it the perfect choice for audiophiles and home theater enthusiasts alike.
Get the Details

Features & Specs Line Circle

Legendary Three-Way Design:
Featuring a dedicated woofer, midrange, and tweeter, the Heresy IV ensures a full-spectrum sound with incredible clarity and balance across all frequencies.
Rear Tractrix Port:
A first for the Heresy line, the rear-facing port increases bass extension by 10Hz, reducing port noise and enhancing low-end performance with smoother airflow.
High Sensitivity Performance:
With a sensitivity rating of 99dB, the Heresy IV delivers high output with minimal power, making it ideal for tube amplifiers or lower-wattage systems.
Premium Craftsmanship:
The MDF enclosure is hand-built in Hope, Arkansas, with real wood veneer finishes including Black Ash, American Walnut, and the new 2025 American Auburn.
New High-Fidelity Network:
The redesigned crossover network offers exceptional accuracy and dynamics, improving both efficiency and power handling for a cleaner, more immersive soundstage.
USA Made with 10-Year Warranty:
As part of Klipsch’s Heritage Series, the Heresy IV is a proudly American product backed by a decade-long warranty, ensuring long-term peace of mind.
Legendary Three-Way Design:
Featuring a dedicated woofer, midrange, and tweeter, the Heresy IV ensures a full-spectrum sound with incredible clarity and balance across all frequencies.
Rear Tractrix Port:
A first for the Heresy line, the rear-facing port increases bass extension by 10Hz, reducing port noise and enhancing low-end performance with smoother airflow.
High Sensitivity Performance:
With a sensitivity rating of 99dB, the Heresy IV delivers high output with minimal power, making it ideal for tube amplifiers or lower-wattage systems.
Premium Craftsmanship:
The MDF enclosure is hand-built in Hope, Arkansas, with real wood veneer finishes including Black Ash, American Walnut, and the new 2025 American Auburn.
New High-Fidelity Network:
The redesigned crossover network offers exceptional accuracy and dynamics, improving both efficiency and power handling for a cleaner, more immersive soundstage.
USA Made with 10-Year Warranty:
As part of Klipsch’s Heritage Series, the Heresy IV is a proudly American product backed by a decade-long warranty, ensuring long-term peace of mind.

Expert Insight

Line Circle

The Klipsch Heresy IV blew me away with its bold sound and elegant design. Every note feels alive - from thunderous bass to crystal-clear highs - and it pairs beautifully with any setup. A true statement piece, both visually and acoustically, that's worth every penny.

Expert Img
Nate
Brand Manager

Details

Line Circle

Discover the Legacy: Klipsch Heresy IV Floorstanding Speakers

Experience audio heritage like never before with the Klipsch Heresy IV Floorstanding Speaker. Born in 1957 as a revolutionary center channel speaker, the Heresy series continues to push sonic boundaries with its latest evolution. The Heresy IV delivers high-efficiency, dynamic range, and powerful bass in a compact three-way design, enhanced with a rear Tractrix port for deeper, cleaner low frequencies. Whether you're spinning vinyl, watching films, or streaming music, the Heresy IV's handcrafted American build and acoustic precision make it a soul-stirring centerpiece for any audio setup.

Klipsch Heresy IV Key Features:

  • 10-Year Warranty: Enjoy peace of mind with an extended warranty period.
  • Enhanced Midrange Driver: Introducing the all-new K-702 midrange compression driver with a polyimide diaphragm, delivering exceptional detail and dynamics.
  • Rear Port Design: Experience efficient air transfer with the first-ever rear port in the Heresy series, minimizing port noise for clearer, punchier low frequencies.
  • Tractrix Horn Technology: The K-702 midrange is expertly mated to the K-704 Tractrix horn, ensuring a wide coverage pattern for immersive sound.
  • High-Frequency Clarity: Featuring the K-107-TI titanium diaphragm high-frequency driver with a wide dispersion phase plug, enjoy even high-frequency dispersion for a wider sweet spot.
  • High Fidelity Network: Redesigned for truer-to-life sound, superior efficiency, and enhanced power handling, the new high fidelity network ensures an unparalleled audio experience.
  • Custom Tractrix Ports: Engineered with custom-designed inner flares, the Tractrix ports minimize air turbulence, resulting in cleaner, more powerful bass.
  • Proudly Designed & Assembled in the USA: Each speaker is meticulously crafted in the USA, reflecting Klipsch's commitment to quality and excellence.

A Little Heresy Goes a Long Way: Experience the champion of speakers, ideal for everything from vinyl enthusiasts to home theater aficionados. The Heresy IV delivers a soul-stirring audio experience that will leave you in awe.

Designed to Rock, Built to Last: Handcrafted with pride in Hope, Arkansas, for over 50 years, the Klipsch Heresy IV embodies superior craftsmanship and durability. With a legacy rooted in excellence, the Heresy IV is built to withstand the test of time.

Klipsch Heresy IV Specifications:

  • Frequency Response: 48-20k +/-4dB
  • Sensitivity: 99dB @ 2.83V / 1m
  • Power Handling: 100W/400W (Continuous/Peak)
  • Maximum SPL: 116dB Continuous
  • Nominal Impedance: 8 ohms Compatible
  • Crossover Frequency: HF: 4500Hz MF: 850Hz
  • High-Frequency Driver: K-107-TI 1” (2.54cm) Titanium diaphragm compression driver
  • Midrange: K-702 1.75” (4.45cm) polyimide diaphragm compression driver
  • Low-Frequency Driver: K-28-E 12” (30.48cm) Fiber-composite cone woofer
  • Enclosure Material: MDF
  • Inputs: Dual binding posts / bi-wire / bi-amp
  • Dimensions: Height: 24.81” (63.01cm), Width: 15.5” (39.37cm), Depth: 13.25” (33.66cm)
  • Weight: 45lbs (20.41kg)

Klipsch Heresy IV Q&A:

Q: What type of speaker is the Klipsch Heresy IV?
A: The Heresy IV is a three-way floorstanding speaker with a compact design, ideal for both stereo and home theater use.
Q: Does the Heresy IV have a rear port?
A: Yes, it’s the first Heresy model to include a rear Tractrix port, enhancing bass response and minimizing turbulence for cleaner low frequencies.
Q: Is it good for vinyl or home theater setups?
A: Absolutely! Its high efficiency and detailed sound make it perfect for vinyl lovers, while its wide dynamic range suits immersive home theater environments.
Q: What finishes are available?
A: You can choose from Black Ash,  American Walnut, and the new 2025 American Auburn real wood veneers, each handcrafted in the USA.
Q: Where is it manufactured?
A: The Heresy IV is proudly designed and assembled in Hope, Arkansas, USA.
Q: What drivers are included in the speaker?
A: It features a 12” woofer, 1.75” midrange compression driver, and 1” titanium high-frequency compression driver.
Q: Can I bi-wire or bi-amp the speaker?
A: Yes, it includes dual binding posts for bi-wiring or bi-amping flexibility.
Q: How big is the speaker?
A: It measures 24.81” H x 15.5” W x 13.25” D and weighs 45 lbs, offering powerful performance in a compact footprint.

Klipsch Heresy IV Downloads:

Klipsch Heresy IV Product Manual
Klipsch Heresy IV Specification Sheet

Reviews

Line Circle
Product Descriptiondown arrow

Product Description

Line Circle
The Klipsch Heresy IV Floorstanding Speakers are a testament to decades of audio excellence, delivering unparalleled sound quality in a compact design. With innovative features like the all-new midrange compression driver and rear port design, these speakers offer exceptional detail and punchy low frequencies for an immersive listening experience. Proudly designed and assembled in the USA, the Heresy IV embodies superior craftsmanship and durability, making it the perfect choice for audiophiles and home theater enthusiasts alike.
Get the Details
Features & Specsdown arrow

Features & Specs Line Circle

Legendary Three-Way Design:
Featuring a dedicated woofer, midrange, and tweeter, the Heresy IV ensures a full-spectrum sound with incredible clarity and balance across all frequencies.
Rear Tractrix Port:
A first for the Heresy line, the rear-facing port increases bass extension by 10Hz, reducing port noise and enhancing low-end performance with smoother airflow.
High Sensitivity Performance:
With a sensitivity rating of 99dB, the Heresy IV delivers high output with minimal power, making it ideal for tube amplifiers or lower-wattage systems.
Premium Craftsmanship:
The MDF enclosure is hand-built in Hope, Arkansas, with real wood veneer finishes including Black Ash, American Walnut, and the new 2025 American Auburn.
New High-Fidelity Network:
The redesigned crossover network offers exceptional accuracy and dynamics, improving both efficiency and power handling for a cleaner, more immersive soundstage.
USA Made with 10-Year Warranty:
As part of Klipsch’s Heritage Series, the Heresy IV is a proudly American product backed by a decade-long warranty, ensuring long-term peace of mind.
Legendary Three-Way Design:
Featuring a dedicated woofer, midrange, and tweeter, the Heresy IV ensures a full-spectrum sound with incredible clarity and balance across all frequencies.
Rear Tractrix Port:
A first for the Heresy line, the rear-facing port increases bass extension by 10Hz, reducing port noise and enhancing low-end performance with smoother airflow.
High Sensitivity Performance:
With a sensitivity rating of 99dB, the Heresy IV delivers high output with minimal power, making it ideal for tube amplifiers or lower-wattage systems.
Premium Craftsmanship:
The MDF enclosure is hand-built in Hope, Arkansas, with real wood veneer finishes including Black Ash, American Walnut, and the new 2025 American Auburn.
New High-Fidelity Network:
The redesigned crossover network offers exceptional accuracy and dynamics, improving both efficiency and power handling for a cleaner, more immersive soundstage.
USA Made with 10-Year Warranty:
As part of Klipsch’s Heritage Series, the Heresy IV is a proudly American product backed by a decade-long warranty, ensuring long-term peace of mind.
Expert Insightdown arrow

Expert Insight

Line Circle

The Klipsch Heresy IV blew me away with its bold sound and elegant design. Every note feels alive - from thunderous bass to crystal-clear highs - and it pairs beautifully with any setup. A true statement piece, both visually and acoustically, that's worth every penny.

Expert Img
Nate
Brand Manager
Detailsdown arrow

Details

Line Circle

Discover the Legacy: Klipsch Heresy IV Floorstanding Speakers

Experience audio heritage like never before with the Klipsch Heresy IV Floorstanding Speaker. Born in 1957 as a revolutionary center channel speaker, the Heresy series continues to push sonic boundaries with its latest evolution. The Heresy IV delivers high-efficiency, dynamic range, and powerful bass in a compact three-way design, enhanced with a rear Tractrix port for deeper, cleaner low frequencies. Whether you're spinning vinyl, watching films, or streaming music, the Heresy IV's handcrafted American build and acoustic precision make it a soul-stirring centerpiece for any audio setup.

Klipsch Heresy IV Key Features:

  • 10-Year Warranty: Enjoy peace of mind with an extended warranty period.
  • Enhanced Midrange Driver: Introducing the all-new K-702 midrange compression driver with a polyimide diaphragm, delivering exceptional detail and dynamics.
  • Rear Port Design: Experience efficient air transfer with the first-ever rear port in the Heresy series, minimizing port noise for clearer, punchier low frequencies.
  • Tractrix Horn Technology: The K-702 midrange is expertly mated to the K-704 Tractrix horn, ensuring a wide coverage pattern for immersive sound.
  • High-Frequency Clarity: Featuring the K-107-TI titanium diaphragm high-frequency driver with a wide dispersion phase plug, enjoy even high-frequency dispersion for a wider sweet spot.
  • High Fidelity Network: Redesigned for truer-to-life sound, superior efficiency, and enhanced power handling, the new high fidelity network ensures an unparalleled audio experience.
  • Custom Tractrix Ports: Engineered with custom-designed inner flares, the Tractrix ports minimize air turbulence, resulting in cleaner, more powerful bass.
  • Proudly Designed & Assembled in the USA: Each speaker is meticulously crafted in the USA, reflecting Klipsch's commitment to quality and excellence.

A Little Heresy Goes a Long Way: Experience the champion of speakers, ideal for everything from vinyl enthusiasts to home theater aficionados. The Heresy IV delivers a soul-stirring audio experience that will leave you in awe.

Designed to Rock, Built to Last: Handcrafted with pride in Hope, Arkansas, for over 50 years, the Klipsch Heresy IV embodies superior craftsmanship and durability. With a legacy rooted in excellence, the Heresy IV is built to withstand the test of time.

Klipsch Heresy IV Specifications:

  • Frequency Response: 48-20k +/-4dB
  • Sensitivity: 99dB @ 2.83V / 1m
  • Power Handling: 100W/400W (Continuous/Peak)
  • Maximum SPL: 116dB Continuous
  • Nominal Impedance: 8 ohms Compatible
  • Crossover Frequency: HF: 4500Hz MF: 850Hz
  • High-Frequency Driver: K-107-TI 1” (2.54cm) Titanium diaphragm compression driver
  • Midrange: K-702 1.75” (4.45cm) polyimide diaphragm compression driver
  • Low-Frequency Driver: K-28-E 12” (30.48cm) Fiber-composite cone woofer
  • Enclosure Material: MDF
  • Inputs: Dual binding posts / bi-wire / bi-amp
  • Dimensions: Height: 24.81” (63.01cm), Width: 15.5” (39.37cm), Depth: 13.25” (33.66cm)
  • Weight: 45lbs (20.41kg)

Klipsch Heresy IV Q&A:

Q: What type of speaker is the Klipsch Heresy IV?
A: The Heresy IV is a three-way floorstanding speaker with a compact design, ideal for both stereo and home theater use.
Q: Does the Heresy IV have a rear port?
A: Yes, it’s the first Heresy model to include a rear Tractrix port, enhancing bass response and minimizing turbulence for cleaner low frequencies.
Q: Is it good for vinyl or home theater setups?
A: Absolutely! Its high efficiency and detailed sound make it perfect for vinyl lovers, while its wide dynamic range suits immersive home theater environments.
Q: What finishes are available?
A: You can choose from Black Ash,  American Walnut, and the new 2025 American Auburn real wood veneers, each handcrafted in the USA.
Q: Where is it manufactured?
A: The Heresy IV is proudly designed and assembled in Hope, Arkansas, USA.
Q: What drivers are included in the speaker?
A: It features a 12” woofer, 1.75” midrange compression driver, and 1” titanium high-frequency compression driver.
Q: Can I bi-wire or bi-amp the speaker?
A: Yes, it includes dual binding posts for bi-wiring or bi-amping flexibility.
Q: How big is the speaker?
A: It measures 24.81” H x 15.5” W x 13.25” D and weighs 45 lbs, offering powerful performance in a compact footprint.

Klipsch Heresy IV Downloads:

Klipsch Heresy IV Product Manual
Klipsch Heresy IV Specification Sheet

Reviewsdown arrow

Reviews

Line Circle
Similar Products
View More