Klipsch PRO-7800-L-THX In-Wall Speaker

Klipsch PRO-7800-L-THX – THX Ultra2 Certified In-Wall Speaker for Reference-Level Home Theater

The Klipsch PRO-7800-L-THX is a THX® Ultra2 certified in-wall speaker designed to bring true cinematic performance to custom home theaters and large media rooms. Built for discerning listeners and professional integrators, this speaker delivers high-output, low-distortion audio with premium clarity, even in expansive rooms over 3,000 cubic feet.

The PRO-7800-L-THX is part of Klipsch’s Professional Reference Series, combining a massive 8” aluminum woofer, a 1” titanium compression driver, and Klipsch’s signature Tractrix® Horn to deliver pinpoint imaging, punchy bass, and articulate midrange—all in a discreet in-wall form factor.

Perfect for front Left, Center, or Right channel applications, this speaker is a powerful, space-saving alternative to floorstanding home theater speakers. If you’re building a world-class theater and demand reference-level sound without visual clutter, the PRO-7800-L-THX is the answer.

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🔑 Key Features

• THX Ultra2 Certification
  Meets rigorous THX standards for audio output, clarity, and dispersion in large rooms up to 3,000 cubic feet or more.

• 1” Titanium Compression Driver + Tractrix® Horn
  Projects high frequencies with incredible efficiency, dynamic detail, and wide horizontal coverage.

• 8” Aluminum Cone Woofer
  Rigid, lightweight, and responsive—perfect for delivering deep bass and crystal-clear midrange at high SPLs.

• Professional-Grade Crossover Network
  Precisely tuned to deliver smooth frequency transitions and tonal accuracy.

• Wide Dynamic Range
  Handles everything from whisper-quiet moments to explosive action scenes with ease.

• Architectural-Grade Grille
  Bezel-free, magnetic grille is paintable to blend into any room environment seamlessly.

• Versatile L/C/R Use
  Ideal for front Left, Center, and Right channels in high-performance 5.1, 7.1, or Atmos-ready home theaters.

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📊 Technical Specifications

• Certification: THX Ultra2

• Speaker Type: 2-Way In-Wall

• Tweeter: 1″ Titanium Compression Driver mated to a 90° x 60° Tractrix® Horn

• Woofer: 8” Aluminum Cone

• Frequency Response: 48Hz – 20kHz ±3dB

• Power Handling: 100W RMS / 400W Peak

• Recommended Amp Power: 100W – 250W

• Sensitivity: 92 dB @ 2.83V / 1m

• Nominal Impedance: 8 Ohms

• Mounting Depth: 3.75″ (9.5 cm)

• Cutout Dimensions: 17.75″ H x 9.5″ W (45.1 cm x 24.1 cm)

• Grille Dimensions: 18.75″ H x 10.5″ W

• Weight: 12.5 lbs (5.7 kg)

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🎧 Reference-Quality Performance

The PRO-7800-L-THX is engineered to deliver the same sound experience you expect from premium Klipsch floorstanding speakers—but hidden in your wall. Thanks to its horn-loaded tweeter and aluminum woofer, this speaker is capable of producing cinematic SPL levels with incredible clarity and control.

The THX Ultra2 certification ensures that this speaker meets strict performance criteria for high output, low distortion, flat frequency response, and controlled dispersion, meaning you get precise imaging and crystal-clear dialogue even in large rooms or seating areas off-center from the screen.

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🧱 Elegant Integration

Despite its raw power and advanced components, the PRO-7800-L-THX fits neatly into standard wall cavities and uses dog-leg mounting arms for secure installation. Its bezel-free magnetic grille can be painted to match your wall color, helping it disappear completely into the background while the sound takes center stage.

It’s also compatible with Klipsch’s pre-construction brackets, making it ideal for new builds and professional installations.

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📍 Ideal Applications

The Klipsch PRO-7800-L-THX is built for:

• Dedicated Home Theaters where space is limited but no sonic compromise is acceptable

• High-end Media Rooms with reference-level demands

• Front-stage L/C/R installations in premium 5.1 or 7.1 surround sound systems

• Atmos-ready setups requiring overhead or wall-mounted speakers with accurate dispersion

This speaker pairs exceptionally well with other Klipsch THX models and subwoofers, allowing for a timbre-matched, all-Klipsch theater experience.

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✅ Why Choose the Klipsch PRO-7800-L-THX?

• THX Ultra2 Certified: For large, immersive home cinemas

• 8” Aluminum Woofer: Powerful, clean bass with high damping

• Titanium Compression Tweeter: Precise highs with reduced distortion

• Professional Crossover: Seamless frequency blending

• Magnetic Grille Design: Clean look, easy access

• High Sensitivity: Less amplifier power required for huge output

• Klipsch Heritage: Over 75 years of professional audio engineering

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🎬 Final Thoughts

For audiophiles and home theater enthusiasts who demand the ultimate in-wall speaker, the Klipsch PRO-7800-L-THX delivers uncompromised sound in a refined, architectural package. With THX Ultra2 certification, high-efficiency horn-loaded tweeters, and a robust 8” woofer, this speaker performs like a full-size tower—without taking up any floor space.

When you’re ready to build a home theater that competes with the best cinemas in the world, start with the Klipsch PRO-7800-L-THX.

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