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Multi-purpose in-wall home theater speaker

Item # 970IWDC51

Functions equally well as a left-, right-, or center-channel speaker in an in-wall home theater sound system.

Functions equally well as a left-, right-, or center-channel speaker in an in-wall home theater sound system.

California customers:
Please click here for your Proposition 65 warning.

Item # 970IWDC51

In stock

$329.98 Sale: -$82.00 off

$247.98 each

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About the ELAC IW-DC51-W

A dynamite Debut series in-wall speaker

Ask around our office, and you'll hear high praise about ELAC's popular line of Debut series floor-standing and bookshelf speakers. Now ELAC offers that same great performance in a stealthy multi-purpose in-wall speaker. The IW-DC51-W is a fantastic choice for high-quality home theater sound without the footprint of a traditional box speaker.

A dynamite Debut series in-wall speaker

Ask around our office, and you'll hear high praise about ELAC's popular line of Debut series floor-standing and bookshelf speakers. Now ELAC offers that same great performance in a stealthy multi-purpose in-wall speaker. The IW-DC51-W is a fantastic choice for high-quality home theater sound without the footprint of a traditional box speaker.

Impressive zero-footprint performance

I love the 'DC51 because you can use it in a variety of configurations. Building a home theater? Install one horizontally under your wall-mounted TV for robust center channel performance. Then position one vertically on each side of your TV for the left and right channels. You'll be treated to seamless sound that pulls you into the action on the screen.

This speaker is equally as capable as the left- or right-channel speaker in an in-wall music system. Its dual-woofer design gives you solid bass response, even if you can't use a powered subwoofer in your room.

ELAC IW-DC51-W in-wall speaker

The IW-DC51-W features a protective cover that keeps dust and dirt off of your speaker.

Adaptable to your décor

The IW-DC51-W's sleek design includes a paintable, magnetic grille that you can match to your room's décor. The zero-bezel edge means no bulk around the sides of the grille, making it virtually disappear into your wall.

DIY installation

ELAC's rotating-cam design makes your in-wall installation straightforward. Once you have the IW-DC51-W in place, simply use a screwdriver to tighten each cam for a secure grip against the back of the wall.

If this is a do-it-yourself install, check out our guide to installing in-wall and in-ceiling speakers, along with our selection of in-wall speaker wire.


Product highlights:

  • multi-purpose in-wall speaker
    • install it horizontally as a low-profile center channel in a home theater system
    • install it vertically as the left or right channel of an in-wall music or home theater system
  • 1" soft dome tweeter
  • two 5-1/4" aramid-fiber woofers
  • frequency response: 45-20,000 Hz
  • recommended amplifier power: 30-120 watts
  • sensitivity: 87 dB
  • impedance: 6 ohms
  • includes magnetic paintable grille
  • protective cover keeps dust and dirt off of the speaker
  • speaker cutout dimensions: 16-7/16"W x 6-1/4"H
  • overall dimensions: 17-3/4"W x 7-7/16"H
  • mounting depth: 3-7/16"
  • horizontal center channel placement requires at least 18" of clearance between two studs
  • weight: 10.7 lbs.
  • warranty: 3 years
  • Our 60-day money-back guarantee
  • MFR # IW-DC51-W

What's in the box:

  • In-wall center-channel speaker
  • Grille
  • "ELAC" decal
  • Cutout Template
  • Operating Instructions

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Crutchfield response

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More details on the ELAC IW-DC51-W

Stacey B.

Features & specs

Quantity in Package Single
Tweeter Soft-Dome
Aimable Tweeter No
Woofer Composition Woven Aramid-Fiber
Woofer Surround Rubber
Moisture-resistant No
Connector Type Spring post
Bi-Amp Inputs No
Built-in Back-box No
Tweeter Size 1
Midrange Size N/A
Woofer Size 5.25
Speaker Shape Rectangle
Cutout Width 16.5
Cutout Height 6.25
Power Range (Watts) 30-120
Sensitivity 87 dB
Impedance (Ohms) 6
Frequency Response 45-20kHz
Parts Warranty 3 Years
Labor Warranty 3 Years

Product Research


Elac Debut Custom Install Series: The ELAC Debut Series Custom Install series speakers are designed to accurately reproduce the full-range of music and film sound, while requiring absolutely no floor space. This compact format is ideal for applications where traditional loudspeakers would be impractical or impossible. In-wall & in-ceiling speakers are ideal for surround sound applications, anywhere space is a consideration, or to bring music into additional rooms of the house.

Center-Channel Application: The Elac Debut IW-DC51-W in-wall loudspeaker is perfect for the exceptional reproduction of the dialogu in a TV broadcast, music, and the complex requirements of the center channel in a home theater applications.

Two-Way Driver Design: The Elac Debut IW-DC51-W in-wall loudspeaker features a two-way driver design with a 1" tweeter, two 5.25" woofers, and a 2,200Hz crossover. Both the tweeter and woofer have been custom designed by Andrew Jones to deliver an exceptional audio experience that can't be delivered with typical off-the-shelf parts.

  • Cloth Dome Tweeter w/ Wave Guide: The Elac Debut IW-DC51-W features a 1" cloth dome tweeter with a custom-designed waveguide with a deep spheroid profile. This waveguide design is utilized to improve directivity control and shield the tweeter from baffle diffraction.
  • Dual Woven-Aramid Fiber Woofers: The in-wall speaker features two 5.25" woven aramid-fiber cone woofers with rubber surrounds, oversized magnets, and vented pole pieces. Woven aramid fiber offers a superior stiffness-to-weight ratio and damping over common polypropylene or paper cones. The added strength allows more flexibility in design to achieve a smoother, extended frequency response.
  • Custom Crossover: A custom seven-element crossover (2,200Hz) with audio-grade components is implemented to ensure smooth transition between the tweeter and woofer.

Magnetic Grille: The included magnetic grille fits easily onto the IW-DC51-W in-wall speaker after installation. The grille features an edge-to-edge, low-profile design for a more seamless, consistent look that blends with the wall more attractively.

Spring-Post Speaker Terminals: The Elac Debut IW-DC51-W in-wall loudspeaker is outfitted with spring-post terminals to attach your in-wall speaker wire. The spring-post speaker terminals will accommodate up to 14AWG speaker wire. The terminals will also support single banana plugs. For shorter distances up to 25', 18AWG speaker wire will be sufficient. For longer distances, 16AWG speaker wire should be used.

Note: Do not use nails, staples or other metal objects to secure the speaker wire. The resulting short-circuit could affect your system's performance & could also damage components in your system, especially the amplifier. To minimize interference & external hum keep the speaker wires away from other electrical wires and cables.

In-Wall Installation: The Elac Debut IW-DC51-W mounts in a 16.5" (w) x 6.25" (h) rectangular cutout opening in your wall with a mounting depth of 3.375". Use the included template for proper cut-out of drywall. Your wall needs to be 0.25" to 0.75" thick. Allow at least 1.5" of clearance between the wall cut-out and any studs or joists. Eight "dog-ear" clamps secure the speaker to the wall.

  • Do not install the speaker near any heat sources such as radiators, heating valves, stoves or apparatus (including amplifiers), or in areas where there is a risk of explosion.
  • Do not install the speaker near transformers. EMF fields can cause unwanted noise.
  • Do not install the speaker in locations that are extremely humid, exceptionally hot, cold or prone to vibrations.

Speaker Placement: Once installed, In-wall speakers are not easily repositioned or moved. Please take a bit of extra time to carefully consider the best speaker locations before you begin. Each room is unique, so decide what works best for you.

  • The center channel speaker should be mounted close to ear level, above or below the video screen.
  • Speakers should always be directed toward the primary listening position.
  • Speakers should be mounted at least 2' from the corners of the room or ceiling.
  • Mounting a speaker too near the corner of the room will increase the low-frequency response, causing an unnatural "boominess" in the affected frequencies.

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Customer Q&A

3 questions already asked

Will this speaker ELAC IW-DC51-W match with a pair of KEF Q 700s? Or is it better to have a KEF Q250C or 650C for a matching soundstage. Thanks AJ
[ Purple Haze  Jun 08, 2022 ]
1 answer
That's tricky. We tend to use the same brand and series of speaker for the entire home theater system so that everything is matching and cohesive. Both brands are great, so it may be that you have some tough choices to make on which to use. Our advisors are happy to help with those choices at 1-800-324-9695.
[ Z  Jun 08, 2022 ]  Staff
Will it impact sound quality if I paint the grill?
[ Doubleojosh  Mar 29, 2021 ]
1 answer
The grille is designed to be paintable to match the room décor and not negatively impact the sound of the speaker
[ Paul  Apr 14, 2021 ]  Staff

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