ELAC IW-DC51-W is a 2-way Passive In-wall In-wall speaker by ELAC. It features a 1" Soft-Dome Tweeter and 1 x 5.25" Woven Aramid-Fiber Woofer. The speaker has a frequency range of 45-20kHz and a sensitivity of 87 dB. ELAC IW-DC51-W has an MSRP of 660$ per pair.
What size of room is the ELAC IW-DC51-W speaker good for?
The size of the room in which you are planning to use the ELAC IW-DC51-W is an important decision factor. Here we have evaluated its suitability to various sizes of environments considering its size and max power parameters:
| Listening Environment* |
Suitability |
| Near-field | Poor |
| Small Room | Average |
| Mid-size Room | Good |
| Large Room | Average |
| Very Large Room | Poor |
(* Approximate Room sizes: Small < 100sq. ft / 9 m2, Mid-size: 100-220 sq. ft / 9-20 m2, Large 220-400 sq. ft / 20-36 m2, Very Large: > 400 sq. ft / 36 m2.
Average Floor Height: 9" / 2.7m. Typical room sizes differ from country to country, and the actual listening experience changes depending on floor height, room shape, surface materials, listening position, speaker locations, etc.)
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What is the Frequency Response of the ELAC IW-DC51-W speaker?
ELAC IW-DC51-W has a Frequency response range of 45-20kHz at ±3dB and Power Range of 30-120 watts. At a minimum frequency of 45 Hz, IW-DC51-W will provide an average bass depth so depending on your use case, you may consider supplementing your system with a subwoofer.
To focus on the subwoofers that are in a similar price range with ELAC IW-DC51-W, check out the Powered Subwoofers under $750. Alternatively, find the Full list of Powered Subwoofers regardless of the price.
Here we have a comparison of how IW-DC51-W's Low and High frequency values compare with the average, max and min Low and High frequency values in its class.
Low Frequency
In-wall Speakers
High Frequency
In-wall Speakers
What are the Impedance and Sensitivity of the ELAC IW-DC51-W? Is it an easy-to-drive speaker?
ELAC IW-DC51-W's nominal impedance level is
6 ohms and has a sensitivity of
87 dB.
Sensitivity
In-wall Speakers
Nominal Impedance of 6 Ohms makes the ELAC IW-DC51-W a relatively difficult to drive speaker compared to more frequently found 8 ohms speakers from nominal Impedance perspective.
Sensitivity
With a sensitivity level of only 87 dB, ELAC IW-DC51-W is a difficult to drive speaker from Sensitivity perspective, make sure to choose an amplifier with a high output if you like listening to your music at high volume levels. You may especially have a hard time using Tube amplifiers which are traditionally very low power compared to Class A/B or Class D speakers.
Check the amplifiers that are in a similar price range to the ELAC IW-DC51-W:
Input Type
IW-DC51-W features Spring post type connectors. Bi-amping and Bi-wiring are not possible.
ELAC IW-DC51-W External Dimensions and Weight
ELAC IW-DC51-W has external dimensions of (Height x Width x Depth) 6.2500-inch x 16.5000-inch x 3.3750-inch (159.0 x 420.0 x 86.0mm ).
Base Surface Area
Base surface area of a loudspeaker may become a determining factor when the space in your room or desk is limited.
The base area of ELAC IW-DC51-W is approximately 361.2cm2 / 56.0inch2.
Cabinet type and Materials
ELAC IW-DC51-W has a
In-wall type cabinet.
What's in the Box of ELAC IW-DC51-W?
Here are the items that are included inside the box of IW-DC51-W:
In-wall center-channel speakerGrille
Recommended Accessories
Here is a list of accessories that we think you may need for the ELAC IW-DC51-W.
Warranty
3 Years of parts warranty and 3 Years of labor warranty is generally provided by the manufacturer.