Klipsch Forte IV vs Revel F208

Last updated: August 24, 2026

Short answer: the Revel F208. It ranks #15 of 68 floorstanding speakers by sound quality at $2400; the Klipsch Forte IV ranks #41 and costs $5499.98, so there is not much of a tradeoff to weigh.

What the Klipsch Forte IV offers: Three-way heritage design: a 1” titanium tweeter and 1.75” compression driver for the midrange mated to a 12” woofer, plus a 15” passive radiator for extra bass reinforcement. Genuinely resonance-free cabinet, a clear improvement over the notably boomy, resonant Heresy 4 in the same lineup. Surprisingly wide, expansive soundstage that beat both the Heresy 4 and a KEF LS50 Wireless 2 in direct comparison - images occasionally appeared several feet outside the physical speaker location. Deeper bass extension than the Heresy 4 (F3 of 82Hz, about 10Hz lower). Distortion measures well below 1% at 86dB and stays mostly within 1% even at 96dB. Comes as a factory-matched serial-numbered pair, backed by an unusually generous 10-year warranty. Mostly above 4 ohms impedance, so it’s compatible with AVRs, solid-state, or tube amplifiers. More neutral overall than other Klipsch models the reviewer has tested, making it a reasonable pick for listeners who already like the “Klipsch sound” but want something more balanced. Watch for: Contrary to the classic Klipsch reputation for being forward and bright, this model is actually somewhat recessed in the 1.5-4kHz “presence” region, which can make some tracks sound dull or lacking in detail. A peak around 6kHz reads as sibilant and “painful” when seated exactly on the tweeter axis; sitting a bit above that axis reduces it somewhat. Klipsch’s marketed 99dB sensitivity figure is an in-room rating that assumes 3-6dB of boundary gain - anechoic sensitivity measures closer to 94dB, which the manufacturer does disclose but can still mislead buyers comparing spec sheets. Radiation width isn’t consistent across all frequencies - a noticeable notch around 2-3kHz interrupts otherwise wide dispersion, which can cause a fundamental tone and its harmonics to image in slightly different places in the soundstage. Uses shallow low-pass crossover slopes (despite Klipsch’s steep-crossover marketing, which applies only to the high-pass side), likely contributing to some of the measured dips and possible cone-breakup artifacts. Some compression shows up around the midrange crossover point at very high output (102dB), though likely only audible at extreme volumes. At around $5,000/pair, a significant investment, and still needs a subwoofer for material extending below about 50Hz.

What the Revel F208 offers: CEA2034 spinorama shows a fairly even on-axis response with sensitivity matching spec at ~87-88dB. Predicted in-room response is a smooth, textbook-quality downward slope that should translate well to most rooms without correction. Early reflections sum so cleanly with the direct sound that side-wall absorption isn’t recommended - it would work against the speaker’s naturally well-integrated off-axis behavior. Distortion stays below 0.5% from 100Hz up at 96dB/1m, with all distortion components falling below audible threshold above 200Hz. Very wide horizontal directivity of about ±75 degrees. Measured performance was judged very close to Revel’s own flagship Salon2, and Revel’s speakers (including this one) are developed using Harman’s double-blind listening test methodology. Preference score of 6.6 (7.7 with a subwoofer added). Watch for: Some directivity error and tweeter-response ripple right at the 2.2kHz crossover point. A notable on-axis dip at about 4kHz, attributed to probable cabinet diffraction. Cumulative spectral decay (waterfall) shows an unexplained resonance around 4-5kHz that the reviewer couldn’t pin down a clear cause for. Vertical directivity shows narrowband interference nulls just above and below the tweeter axis (roughly 2-3kHz), typical of a non-coaxial tower with vertically separated drivers, so listening height matters more than it would with a coincident design. Minimum impedance dips to 3.4 ohms, calling for a robust, high-current amplifier. Distortion climbs substantially below about 80-100Hz (up to ~5% in the deep bass) when driven hard, an excursion-limited trade-off typical of towers at high output. Isolating the woofers alone shows their usable range ending around 500-700Hz at the crossover, with somewhat elevated (though still low in absolute terms) 2nd/3rd harmonic distortion in the 100-300Hz region.

Buy the Revel F208. It ranks higher for sound quality than the Klipsch Forte IV and costs less, so there is no real case for the other one.

Klipsch Forte IV vs Revel F208

Specifications Side By Side

Klipsch Forte IV Revel F208
Price$5,499.98$2400 used, Discontinued
Ranked#41 of 68 in Large Size Floorstanding Speakers#15 of 68 in Large Size Floorstanding Speakers
Bass Extension (-10dB)39Hz (measured, Erin’s Audio Corner)24Hz (measured, Audio Science Review)
Bass Extension (-3dB)82Hz (measured, Erin’s Audio Corner)47Hz (measured, Audio Science Review)
Sensitivity93.8dB (measured average, Erin’s Audio Corner; manufacturer rates 99dB in-room / ~94dB anechoic)88.2dB (measured by Audio Science Review; 88.5dB manufacturer specified)
Drivers1x 12" (305mm) fiber-composite woofer + 15" passive radiator, 1x 1.75" compression driver midrange on horn, 1x 1" titanium compression tweeter on hornDual 8" (20 cm) Aluminum Cone, Cast-frame Woofers, 5.25" (13.3 cm) Aluminum Cone, Cast-frame Midrange, 1" (2.5 cm) Aluminum Tweeter with Acoustic Lens Waveguide
Weight117.3 lbs / 53.2 kg79.4 lbs / 36 kg each
Woofer Cabinetpassive radiatorported, front
Impedance8 ohms8 ohms nominal, 3.5 ohms minimum (measured, Audio Science Review)
Dimensions36"H x 16.5"W x 13"D (914.4 x 419.1 x 330.2 mm)46.6"H x 13.5"W x 14.8"D (1183.6 x 342.9 x 375.9 mm)
Discontinued-Yes

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The Two Speakers In Full

Klipsch Forte IV: $5,499.98 Amazon Crutchfield eBay

Klipsch Forte IV ranking card

Pros: Three-way heritage design: a 1” titanium tweeter and 1.75” compression driver for the midrange mated to a 12” woofer, plus a 15” passive radiator for extra bass reinforcement. Genuinely resonance-free cabinet, a clear improvement over the notably boomy, resonant Heresy 4 in the same lineup. Surprisingly wide, expansive soundstage that beat both the Heresy 4 and a KEF LS50 Wireless 2 in direct comparison - images occasionally appeared several feet outside the physical speaker location. Deeper bass extension than the Heresy 4 (F3 of 82Hz, about 10Hz lower). Distortion measures well below 1% at 86dB and stays mostly within 1% even at 96dB. Comes as a factory-matched serial-numbered pair, backed by an unusually generous 10-year warranty. Mostly above 4 ohms impedance, so it’s compatible with AVRs, solid-state, or tube amplifiers. More neutral overall than other Klipsch models the reviewer has tested, making it a reasonable pick for listeners who already like the “Klipsch sound” but want something more balanced.

Cons: Contrary to the classic Klipsch reputation for being forward and bright, this model is actually somewhat recessed in the 1.5-4kHz “presence” region, which can make some tracks sound dull or lacking in detail. A peak around 6kHz reads as sibilant and “painful” when seated exactly on the tweeter axis; sitting a bit above that axis reduces it somewhat. Klipsch’s marketed 99dB sensitivity figure is an in-room rating that assumes 3-6dB of boundary gain - anechoic sensitivity measures closer to 94dB, which the manufacturer does disclose but can still mislead buyers comparing spec sheets. Radiation width isn’t consistent across all frequencies - a noticeable notch around 2-3kHz interrupts otherwise wide dispersion, which can cause a fundamental tone and its harmonics to image in slightly different places in the soundstage. Uses shallow low-pass crossover slopes (despite Klipsch’s steep-crossover marketing, which applies only to the high-pass side), likely contributing to some of the measured dips and possible cone-breakup artifacts. Some compression shows up around the midrange crossover point at very high output (102dB), though likely only audible at extreme volumes. At around $5,000/pair, a significant investment, and still needs a subwoofer for material extending below about 50Hz.

Bass Extension (-10dB)39Hz (measured, Erin's Audio Corner)
Bass Extension (-3dB)82Hz (measured, Erin's Audio Corner)
Dimensions36"H x 16.5"W x 13"D (914.4 x 419.1 x 330.2 mm)
Drivers1x 12" (305mm) fiber-composite woofer + 15" passive radiator, 1x 1.75" compression driver midrange on horn, 1x 1" titanium compression tweeter on horn
Impedance8 ohms
Sensitivity93.8dB (measured average, Erin's Audio Corner; manufacturer rates 99dB in-room / ~94dB anechoic)
Weight117.3 lbs / 53.2 kg
Woofer Cabinetpassive radiator

Revel F208: $2400 used, Discontinued eBay

Revel F208 ranking card

Pros: CEA2034 spinorama shows a fairly even on-axis response with sensitivity matching spec at ~87-88dB. Predicted in-room response is a smooth, textbook-quality downward slope that should translate well to most rooms without correction. Early reflections sum so cleanly with the direct sound that side-wall absorption isn’t recommended - it would work against the speaker’s naturally well-integrated off-axis behavior. Distortion stays below 0.5% from 100Hz up at 96dB/1m, with all distortion components falling below audible threshold above 200Hz. Very wide horizontal directivity of about ±75 degrees. Measured performance was judged very close to Revel’s own flagship Salon2, and Revel’s speakers (including this one) are developed using Harman’s double-blind listening test methodology. Preference score of 6.6 (7.7 with a subwoofer added).

Cons: Some directivity error and tweeter-response ripple right at the 2.2kHz crossover point. A notable on-axis dip at about 4kHz, attributed to probable cabinet diffraction. Cumulative spectral decay (waterfall) shows an unexplained resonance around 4-5kHz that the reviewer couldn’t pin down a clear cause for. Vertical directivity shows narrowband interference nulls just above and below the tweeter axis (roughly 2-3kHz), typical of a non-coaxial tower with vertically separated drivers, so listening height matters more than it would with a coincident design. Minimum impedance dips to 3.4 ohms, calling for a robust, high-current amplifier. Distortion climbs substantially below about 80-100Hz (up to ~5% in the deep bass) when driven hard, an excursion-limited trade-off typical of towers at high output. Isolating the woofers alone shows their usable range ending around 500-700Hz at the crossover, with somewhat elevated (though still low in absolute terms) 2nd/3rd harmonic distortion in the 100-300Hz region. Discontinued.

Bass Extension (-10dB)24Hz (measured, Audio Science Review)
Bass Extension (-3dB)47Hz (measured, Audio Science Review)
Dimensions46.6"H x 13.5"W x 14.8"D (1183.6 x 342.9 x 375.9 mm)
DiscontinuedYes
DriversDual 8" (20 cm) Aluminum Cone, Cast-frame Woofers, 5.25" (13.3 cm) Aluminum Cone, Cast-frame Midrange, 1" (2.5 cm) Aluminum Tweeter with Acoustic Lens Waveguide
Impedance8 ohms nominal, 3.5 ohms minimum (measured, Audio Science Review)
Sensitivity88.2dB (measured by Audio Science Review; 88.5dB manufacturer specified)
Weight79.4 lbs / 36 kg each
Woofer Cabinetported, front