
Klipsch Heresy IV Floorstanding Speakers - Pair - Clearance / Open Box
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
Original: $2,999.00
-65%$2,999.00
$1,049.65More Images














Klipsch Heresy IV Floorstanding Speakers - Pair - Clearance / Open Box
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
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
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
















