ELAC IW-DC51-W is a 2-way Passive In-wall In-wall speaker by ELAC. It was released in 2019. 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.
Room Size Suitability
The size of the room where you plan to use the ELAC IW-DC51-W is a crucial factor in your decision. We have assessed its suitability for various room sizes based on its dimensions and maximum power output:
| 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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Frequency Response of the ELAC IW-DC51-W Speaker
ELAC IW-DC51-W has a Frequency response range of 45-20kHz and Power Range of 30-120 watts. With a minimum frequency of 45 Hz, IW-DC51-W delivers moderate bass depth so depending on your use case, you might want to consider adding a subwoofer to your system.
Here we have a comparison of how IW-DC51-W's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
In-wall Speakers
Thinking about a subwoofer for the ELAC IW-DC51-W?
Impedance and Sensitivity
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 the 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 amps. Work out how loud the ELAC IW-DC51-W plays in your room →
Running more than one pair from a single amplifier? Check the load it would present →
What amplifier does the ELAC IW-DC51-W need?
At normal listening levels in a medium room, about
20–120 W
per channel into 6 ohms.
Set your own conditions and we will rank every amplifier we cover.
Prefer to browse? Integrated amplifiers under $750, or every amplifier we cover.
Input Type
IW-DC51-W features Spring post type connectors. Bi-amping and Bi-wiring are not possible.
Work out what gauge speaker cable this run needs →
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.
To get a better perspective on the real life size of ELAC IW-DC51-W, let's compare it with a standard size Compact Disc which has a diameter of 4.7inch (120mm).
ELAC IW-DC51-W Speaker Size Compared to a Compact Disc
Find speakers that fit your shelf or alcove →
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 speaker
- Grille
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.