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Product Description

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The Klipsch RP-640D On-Wall Speaker from the Reference Premiere Designer Series is a game-changer for home audio enthusiasts. Its sleek design seamlessly integrates into modern interiors, while its powerful sound quality, driven by advanced acoustic technology and premium components, transforms any room into a dynamic listening space. With versatile mounting options and impressive specifications, this speaker delivers an immersive audio experience that elevates every movie night or music session to new heights.
Get the Details

Features & Specs Line Circle

Slim on-wall design for modern TVs and tight spaces
Built to sit close to the wall, the RP-640D delivers a clean, integrated look in media rooms where floor space is limited, without sacrificing the output needed for a true theater experience.
90°x90° Tractrix horn for focused, lifelike highs
The Tractrix geometry improves high-frequency extension and directs detail toward the listening area for more natural clarity, stronger dynamics, and more stable imaging across seats.
1" titanium LTS tweeter for detailed, dynamic clarity
The Linear Travel Suspension design is engineered for enhanced control and lively response, helping dialogue and fine effects remain crisp and intelligible even during loud, complex scenes.
Dual Cerametallic woofers + quad passive radiators for fuller bass impact
This driver system is designed to stay rigid and low-distortion while adding body and punch—ideal for bigger rooms that demand more presence from a slim speaker.
Horizontal/vertical mounting with secure keyhole options
Use it as a left/right, center, or surround speaker and mount it the way your layout demands, supported by dual 4-way keyholes for confident placement.
Modern finish and premium usability touches
The matte black painted finish blends into contemporary interiors, while the wrap-around magnetic grille and included glass base make it easy to shift between “showpiece” and “discreet install” modes.
Slim on-wall design for modern TVs and tight spaces
Built to sit close to the wall, the RP-640D delivers a clean, integrated look in media rooms where floor space is limited, without sacrificing the output needed for a true theater experience.
90°x90° Tractrix horn for focused, lifelike highs
The Tractrix geometry improves high-frequency extension and directs detail toward the listening area for more natural clarity, stronger dynamics, and more stable imaging across seats.
1" titanium LTS tweeter for detailed, dynamic clarity
The Linear Travel Suspension design is engineered for enhanced control and lively response, helping dialogue and fine effects remain crisp and intelligible even during loud, complex scenes.
Dual Cerametallic woofers + quad passive radiators for fuller bass impact
This driver system is designed to stay rigid and low-distortion while adding body and punch—ideal for bigger rooms that demand more presence from a slim speaker.
Horizontal/vertical mounting with secure keyhole options
Use it as a left/right, center, or surround speaker and mount it the way your layout demands, supported by dual 4-way keyholes for confident placement.
Modern finish and premium usability touches
The matte black painted finish blends into contemporary interiors, while the wrap-around magnetic grille and included glass base make it easy to shift between “showpiece” and “discreet install” modes.

Expert Insight

Line Circle

The RP-640D delivers impressively dynamic home theater sound from a slim on-wall cabinet, with clear dialogue and strong detail. The mounting flexibility and included glass base make it easy to fit into both wall-mounted and furniture-based setups. Overall performance feels refined and powerful for its size, especially in modern living rooms and dedicated media spaces.

Expert Img
Nate M
Brand Manager

Details

Line Circle

RP-640D On-Wall Speaker

The Klipsch RP-640D Reference Premiere Designer On-Wall Speaker delivers the dynamic, detailed, high-output sound Klipsch is known for in a slim, wall-hugging cabinet that fits modern spaces and ultra-flat TVs. Built for bigger rooms and serious home theater impact, it combines a 90°x90° Tractrix® horn with a 1" titanium LTS tweeter for crisp dialogue, precise imaging, and effortless clarity at any volume. Dual 3.5" spun-copper Cerametallic™ active woofers plus four matching passive radiators add punch and fullness, while the matte black painted finish and wrap-around magnetic grille keep the look clean and contemporary. Mount it vertically or horizontally for left/right, center, or surround duty—or use the included glass base for a premium tabletop install when floor and shelf space matter. The Klipsch RP-640D is part of the Reference Premiere Designer On-Wall Series.

What It's Good At:

  • Big, cinematic sound from a slim on-wall design that pairs perfectly with modern TVs
  • Crisp, intelligible dialogue and detailed highs thanks to the LTS titanium tweeter + Tractrix horn
  • Punchy, room-filling midbass using dual active woofers and quad passive radiators
  • Flexible placement (horizontal or vertical) for LCR, surround, or multi-purpose theater layouts
  • Clean, modern aesthetics with matte black finish and a wrap-around magnetic grille
  • Easy installation options with secure keyhole mounting and an included glass base for tabletop use

RP-640D Full Specifications:

  • Series: Reference Premiere Designer On-Wall
  • Product Type: On-wall speaker (Reference Premiere Designer On-Wall series)
  • Acoustic Design: Horn-loaded high frequency, bass reflex enclosure
  • Frequency Response: 55Hz–25kHz ±3dB
  • Sensitivity: 94dB @ 2.83V / 1m
  • Power Handling (Continuous/Peak): 75W / 300W
  • Nominal Impedance: 8 ohms compatible
  • Crossover Frequency: 2200Hz
  • High-Frequency Driver: 1" (2.54 cm) titanium dome Linear Travel Suspension (LTS) tweeter with 90° x 90° Tractrix horn
  • Low-Frequency Driver: Dual 3.5" (8.89 cm) Cerametallic cone active woofers + Quad 3.5" (8.89 cm) Cerametallic cone passive radiators
  • Enclosure Material: ABS
  • Enclosure Type: Bass reflex
  • Inputs: Single binding posts
  • Mounting Orientation: Horizontal or vertical
  • Wall Mounting: Dual 4-way keyholes for secure on-wall mounting
  • Grille: Wrap-around magnetic grille
  • Table/Stand Placement: Included glass base for tabletop/bookshelf mounting
  • Finish: Matte black paint
  • Height: 28.5" (72.39 cm)
  • Width: 6" (15.24 cm)
  • Depth: 2.4" (6.10 cm)
  • Weight: 8 lbs (1.7 kg)
  • Recommended Speaker Wire: 16-gauge or larger (installation guidance)
  • Installation Notes: Do not ceiling-mount (installation guidance)
  • Built From: 2017 (spec sheet listing)

RP-640D Q&A:

Can the RP-640D be used as a center channel speaker?
Yes. It can be mounted horizontally and works well as a center channel for clear dialogue and anchored on-screen sound.
Can I mount the RP-640D vertically or horizontally?
Yes. The RP-640D supports both vertical and horizontal mounting, making it flexible for left/right, center, or surround positions.
What makes this different from a typical on-wall speaker?
It uses Reference Premiere horn-loaded technology plus a titanium LTS tweeter and Cerametallic drivers, designed to deliver a more dynamic, detailed, high-output sound than many slim on-wall speakers.
Does it include anything for tabletop placement?
Yes. It includes a glass base for a premium tabletop, stand, or bookshelf installation.
Is the grille removable?
Yes. The RP-640D uses a wrap-around magnetic grille for a clean look and easy removal.
What amplifier/receiver impedance is it compatible with?
It’s 8-ohm compatible, making it a straightforward match for most AV receivers and amplifiers.
How much power can it handle?
It’s rated at 75W continuous / 300W peak, providing strong output headroom for movies and music.
Is there any recommended clearance when mounting near a TV?
Yes. Installation guidance recommends leaving at least 1 inch of space between the speaker cabinet and the TV.
Klipsch RP-640D Downloads

Klipsch RP-640D Spec Sheet
Klipsch RP-640D Manual
Klipsch RP-640D Product Dimensions

Reviews

Line Circle
Product Descriptiondown arrow

Product Description

Line Circle
The Klipsch RP-640D On-Wall Speaker from the Reference Premiere Designer Series is a game-changer for home audio enthusiasts. Its sleek design seamlessly integrates into modern interiors, while its powerful sound quality, driven by advanced acoustic technology and premium components, transforms any room into a dynamic listening space. With versatile mounting options and impressive specifications, this speaker delivers an immersive audio experience that elevates every movie night or music session to new heights.
Get the Details
Features & Specsdown arrow

Features & Specs Line Circle

Slim on-wall design for modern TVs and tight spaces
Built to sit close to the wall, the RP-640D delivers a clean, integrated look in media rooms where floor space is limited, without sacrificing the output needed for a true theater experience.
90°x90° Tractrix horn for focused, lifelike highs
The Tractrix geometry improves high-frequency extension and directs detail toward the listening area for more natural clarity, stronger dynamics, and more stable imaging across seats.
1" titanium LTS tweeter for detailed, dynamic clarity
The Linear Travel Suspension design is engineered for enhanced control and lively response, helping dialogue and fine effects remain crisp and intelligible even during loud, complex scenes.
Dual Cerametallic woofers + quad passive radiators for fuller bass impact
This driver system is designed to stay rigid and low-distortion while adding body and punch—ideal for bigger rooms that demand more presence from a slim speaker.
Horizontal/vertical mounting with secure keyhole options
Use it as a left/right, center, or surround speaker and mount it the way your layout demands, supported by dual 4-way keyholes for confident placement.
Modern finish and premium usability touches
The matte black painted finish blends into contemporary interiors, while the wrap-around magnetic grille and included glass base make it easy to shift between “showpiece” and “discreet install” modes.
Slim on-wall design for modern TVs and tight spaces
Built to sit close to the wall, the RP-640D delivers a clean, integrated look in media rooms where floor space is limited, without sacrificing the output needed for a true theater experience.
90°x90° Tractrix horn for focused, lifelike highs
The Tractrix geometry improves high-frequency extension and directs detail toward the listening area for more natural clarity, stronger dynamics, and more stable imaging across seats.
1" titanium LTS tweeter for detailed, dynamic clarity
The Linear Travel Suspension design is engineered for enhanced control and lively response, helping dialogue and fine effects remain crisp and intelligible even during loud, complex scenes.
Dual Cerametallic woofers + quad passive radiators for fuller bass impact
This driver system is designed to stay rigid and low-distortion while adding body and punch—ideal for bigger rooms that demand more presence from a slim speaker.
Horizontal/vertical mounting with secure keyhole options
Use it as a left/right, center, or surround speaker and mount it the way your layout demands, supported by dual 4-way keyholes for confident placement.
Modern finish and premium usability touches
The matte black painted finish blends into contemporary interiors, while the wrap-around magnetic grille and included glass base make it easy to shift between “showpiece” and “discreet install” modes.
Expert Insightdown arrow

Expert Insight

Line Circle

The RP-640D delivers impressively dynamic home theater sound from a slim on-wall cabinet, with clear dialogue and strong detail. The mounting flexibility and included glass base make it easy to fit into both wall-mounted and furniture-based setups. Overall performance feels refined and powerful for its size, especially in modern living rooms and dedicated media spaces.

Expert Img
Nate M
Brand Manager
Detailsdown arrow

Details

Line Circle

RP-640D On-Wall Speaker

The Klipsch RP-640D Reference Premiere Designer On-Wall Speaker delivers the dynamic, detailed, high-output sound Klipsch is known for in a slim, wall-hugging cabinet that fits modern spaces and ultra-flat TVs. Built for bigger rooms and serious home theater impact, it combines a 90°x90° Tractrix® horn with a 1" titanium LTS tweeter for crisp dialogue, precise imaging, and effortless clarity at any volume. Dual 3.5" spun-copper Cerametallic™ active woofers plus four matching passive radiators add punch and fullness, while the matte black painted finish and wrap-around magnetic grille keep the look clean and contemporary. Mount it vertically or horizontally for left/right, center, or surround duty—or use the included glass base for a premium tabletop install when floor and shelf space matter. The Klipsch RP-640D is part of the Reference Premiere Designer On-Wall Series.

What It's Good At:

  • Big, cinematic sound from a slim on-wall design that pairs perfectly with modern TVs
  • Crisp, intelligible dialogue and detailed highs thanks to the LTS titanium tweeter + Tractrix horn
  • Punchy, room-filling midbass using dual active woofers and quad passive radiators
  • Flexible placement (horizontal or vertical) for LCR, surround, or multi-purpose theater layouts
  • Clean, modern aesthetics with matte black finish and a wrap-around magnetic grille
  • Easy installation options with secure keyhole mounting and an included glass base for tabletop use

RP-640D Full Specifications:

  • Series: Reference Premiere Designer On-Wall
  • Product Type: On-wall speaker (Reference Premiere Designer On-Wall series)
  • Acoustic Design: Horn-loaded high frequency, bass reflex enclosure
  • Frequency Response: 55Hz–25kHz ±3dB
  • Sensitivity: 94dB @ 2.83V / 1m
  • Power Handling (Continuous/Peak): 75W / 300W
  • Nominal Impedance: 8 ohms compatible
  • Crossover Frequency: 2200Hz
  • High-Frequency Driver: 1" (2.54 cm) titanium dome Linear Travel Suspension (LTS) tweeter with 90° x 90° Tractrix horn
  • Low-Frequency Driver: Dual 3.5" (8.89 cm) Cerametallic cone active woofers + Quad 3.5" (8.89 cm) Cerametallic cone passive radiators
  • Enclosure Material: ABS
  • Enclosure Type: Bass reflex
  • Inputs: Single binding posts
  • Mounting Orientation: Horizontal or vertical
  • Wall Mounting: Dual 4-way keyholes for secure on-wall mounting
  • Grille: Wrap-around magnetic grille
  • Table/Stand Placement: Included glass base for tabletop/bookshelf mounting
  • Finish: Matte black paint
  • Height: 28.5" (72.39 cm)
  • Width: 6" (15.24 cm)
  • Depth: 2.4" (6.10 cm)
  • Weight: 8 lbs (1.7 kg)
  • Recommended Speaker Wire: 16-gauge or larger (installation guidance)
  • Installation Notes: Do not ceiling-mount (installation guidance)
  • Built From: 2017 (spec sheet listing)

RP-640D Q&A:

Can the RP-640D be used as a center channel speaker?
Yes. It can be mounted horizontally and works well as a center channel for clear dialogue and anchored on-screen sound.
Can I mount the RP-640D vertically or horizontally?
Yes. The RP-640D supports both vertical and horizontal mounting, making it flexible for left/right, center, or surround positions.
What makes this different from a typical on-wall speaker?
It uses Reference Premiere horn-loaded technology plus a titanium LTS tweeter and Cerametallic drivers, designed to deliver a more dynamic, detailed, high-output sound than many slim on-wall speakers.
Does it include anything for tabletop placement?
Yes. It includes a glass base for a premium tabletop, stand, or bookshelf installation.
Is the grille removable?
Yes. The RP-640D uses a wrap-around magnetic grille for a clean look and easy removal.
What amplifier/receiver impedance is it compatible with?
It’s 8-ohm compatible, making it a straightforward match for most AV receivers and amplifiers.
How much power can it handle?
It’s rated at 75W continuous / 300W peak, providing strong output headroom for movies and music.
Is there any recommended clearance when mounting near a TV?
Yes. Installation guidance recommends leaving at least 1 inch of space between the speaker cabinet and the TV.
Klipsch RP-640D Downloads

Klipsch RP-640D Spec Sheet
Klipsch RP-640D Manual
Klipsch RP-640D Product Dimensions

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Reviews

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