Klipsch Forte IV – Heritage Horn-Loaded Floorstanding Speaker

The Klipsch Forte IV is a beautifully refined evolution of the classic Forte, blending iconic horn-loaded performance with modern acoustic upgrades. With its titanium HF driver, advanced midrange, 12-inch woofer, and a massive 15-inch passive radiator, it delivers dynamic, room-filling sound with clarity, punch, and timeless craftsmanship.

Key Features

• Horn-loaded high and mid drivers: A 2.54 cm titanium diaphragm tweeter on a Tractrix horn with phase plug ensures a wide, accurate sweet spot.
• Upgraded midrange compression driver: New 4.45 cm K-702 driver mated to a precise horn for enhanced clarity and low distortion.
• Deep bass response: 30 cm fiber-composite woofer plus 38 cm passive radiator deliver powerful extension and effortless bottom end.
• Revoiced crossover network: Designed for minimal signal degradation using inspiration from Klipschorn and La Scala architecture.
• Heritage design and build: Hand-assembled in the USA with book-matched wood veneer and legacy-quality binding posts supporting bi-wire/bi-amp setups.

Customer Benefits

The Forte IV brings live-music realism into your space—dramatic dynamics, detailed imaging, and effortless playing even with modest amplification. Its elegant vintage veneer and efficient design make it both a sonic powerhouse and a design statement.

Quick Specs

• Configuration: 3-way horn-loaded with passive radiator
• Power handling: Highly efficient at 99 dB sensitivity, 8 Ω nominal impedance
• Frequency response: 38 Hz – 20 kHz
• Drivers: 2.54 cm titanium HF, 4.45 cm polyimide midrange, 30 cm woofer, 38 cm passive radiator
• Enclosure: 3/4″ MDF with book-matched veneer
• Inputs: Dual binding posts—bi-wire/bi-amp ready
• Dimensions (each): 90.8 × 42.2 × 33.0 cm
• Weight (each): Approx. 32.7 kg

What’s in the Box

• Pair of Klipsch Forte IV speakers
• Removable speaker grilles
• User guide

Use Cases / Ideal For

Perfect for audiophiles and music lovers with space to spare, looking for immersive, vintage-style sound that’s dynamic and detailed. Ideal as main stereo anchors in listening rooms or stand-mounted front speakers in classic home theaters.

Compatibility

High sensitivity lets these speakers thrive with tube amps or modest solid-state power. Bi-wire and bi-amp capabilities offer system flexibility. Pairs beautifully with vintage and modern gear alike.

Pros & Cons

✅ Pros:

• Extremely efficient sound with room-filling dynamics
• Wide soundstage, clarity, and rich bass without a subwoofer
• Elegant heritage aesthetics with premium U.S. workmanship

⚠️ Cons:

• Large and heavy—requires ample space and strong stands/floor
• Highly efficient design may reveal background noise or hiss
• Horn “color” may require room tuning or slight EQ in some setups

The Klipsch Forte IV nests classic charm, powerful musicality, and modern acoustic engineering into a striking, high-performance loudspeaker—a living legacy of sound, living now.