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.)
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.