ELAC Concentro S 503.2 is a 3-way Passive Bass reflex Bookshelf speaker by ELAC. It was released in 2024. It features a JET 6 AMT Tweeter, 1 x 5" Midrange and 1 x 7" AS-XR aluminium sandwich Woofer.
Concentric StepX-JET: JET 6 tweeter inside a 50/130 mm AS-XR aluminium midrange, with three exchangeable Directivity Control Rings.
The speaker has a sensitivity of 87 dB. ELAC Concentro S503.2 has an MSRP of 7398$ per pair.
Room Size Suitability
The size of the room where you plan to use the ELAC Concentro S503.2 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.)
ELAC's Concentro 2.0 Series of Loudspeakers
CBS503.2 is a member of ELAC's Concentro 2.0 series of Passive speakers. Below you can see the main specs of these speakers.
See all 5 ELAC Concentro 2.0 models compared »
ELAC Concentro 2.0 Series Speakers
Frequency Response of the ELAC Concentro S503.2 Speaker
ELAC Concentro S503.2 has a Frequency response range of and Power Range of 60-500 watts. With a minimum frequency of Hz, CBS503.2 delivers deep bass that will likely satisfy most listeners, especially those who enjoy music. However, movie enthusiasts and music fans who prefer a full range of sound may still benefit from adding a subwoofer.
Here we have a comparison of how CBS503.2's Low frequency value compares with the average, max and min Low frequency values in its class.
Low Frequency
Bookshelf Speakers
Thinking about a subwoofer for the ELAC Concentro S503.2?
Crossover frequency of the ELAC Concentro S503.2?
CBS503.2 is a 3-way speaker and its crossover frequency between the woofer and the midrange is set to 400 Hz and the crossover frequency between the midrange and the tweeter is set to 2600 Hz.
Impedance and Sensitivity
ELAC Concentro S503.2's nominal impedance level is
4 ohms but can go down to as low as
4.8 ohms, and has a sensitivity of
87 dB.
Sensitivity
Bookshelf Speakers
Nominal Impedance of the 4 Ohms means that the ELAC Concentro S 503.2 is a difficult to drive speaker from nominal Impedance perspective, make sure that you choose an amplifier than can provide 4 Ohms for this speaker.
Many AVRs (audio/video receiver) in the market may have difficulty when the speakers dip below the 4 Ohms levels (this may cause clipping or even physical damage), so we recommend to not pair the ELAC Concentro S 503.2 with an AVR but use an Integrated Amplifier instead.
Sensitivity
With a sensitivity level of only 87 dB, ELAC Concentro S 503.2 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 Concentro S503.2 plays in your room →
Running more than one pair from a single amplifier? Check the load it would present →
What amplifier does the ELAC Concentro S503.2 need?
At normal listening levels in a medium room, about
30–400 W
per channel into 4 ohms.
Set your own conditions and we will rank every amplifier we cover.
Prefer to browse? See every integrated amplifier we cover.
Input Type
CBS503.2 has Binding posts type connectors and lets bi-amping/bi-wiring. Bi-wiring can enhance the overall transparency of your loudspeakers by using separate speaker wires for the low and high-frequency drivers from a single amplifier. Bi-amping, on the other hand, involves using separate amplifiers for the high and low-frequency drivers, potentially resulting in a greater dynamic range and reduced distortion.
Work out what gauge speaker cable this run needs →
ELAC Concentro S503.2 External Dimensions and Weight
ELAC Concentro S503.2 has external dimensions of (Height x Width x Depth) 15-3/4 x 8-7/8 x 14-5/8inch (400.0 x 225.0 x 372.0mm ).
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 Concentro S503.2 is approximately 837.0cm2 / 129.7inch2.
Find speakers that fit your shelf or alcove → · Work out where they should sit in the room →
WeightThe ELAC Concentro S503.2 weighs 13.40kg / 29.5lbs per piece. Here is a comparison of how CBS503.2's weight compares with the average, max and min weights in its class.
Weight
All Bookshelf Speakers
Weight
Bookshelf Speakers under $10000
Cabinet type and Materials
ELAC Concentro S503.2 has a
Bass reflex type cabinet and a MDF/High-gloss lacquer or veneer finish.
Available colors
ELAC Concentro S503.2 is available in High-Gloss Black, High-Gloss White and High-Gloss Walnut.
Wall Mounting
CBS503.2 doesn't sport any built-in mounting bracket, so you need an external structure to mount it on walls.
Recommended Accessories
Here is a list of accessories that we think you may need for the ELAC Concentro S 503.2.
- Speaker Cable and Connectors
- Vibration Isolators: IsoAcoustics isolators are our favorite isolators but you may find more affordable options too.
- Acoustic Panels and Treatments: Your room is as important as your stereo equipment so acoustic treatments goes a long way in improving the overall performance.
- Speaker Stands: Stands bring your bookshelf speakers to ideal height (rule of thumb is to have the tweeter level with your ear in your listening position), helps stability and acoustical isolation.
Official Product Page
Official manufacturer's product page for the ELAC Concentro S 503.2 speaker can be found below:
Official Product Page for ELAC Concentro S503.2
Warranty
3 Years of parts warranty and 3 Years of labor warranty is generally provided by the manufacturer.